Extra Beam Level
Archive Box storage (Rivet Shelving)
Rivet Shelving picture
rivet1
Rivet Beam
Rivet Post
Long Span Shelving Rivet
Rivet Long Span Shelving (1)
Rivet Long Span Shelving (5)
Rivet Long Span Shelving (4)
Rivet Long Span Shelving (3)
Rivet Long Span Shelving (2)
Rivet Long Span Shelving (9)
Rivet Long Span Shelving (10)
  • Extra Beam Level
  • Archive Box storage (Rivet Shelving)
  • Rivet Shelving picture
  • rivet1
  • Rivet Beam
  • Rivet Post
  • Long Span Shelving Rivet
  • Rivet Long Span Shelving (1)
  • Rivet Long Span Shelving (5)
  • Rivet Long Span Shelving (4)
  • Rivet Long Span Shelving (3)
  • Rivet Long Span Shelving (2)
  • Rivet Long Span Shelving (9)
  • Rivet Long Span Shelving (10)

Additional Shelf Level

Product Code: Rivet Shelf

Rivet Shelving

 

Brand; SpeedRack

Colour; Traffic Grey

 

Specifications

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1200mm wide.

2 Stepped Beams (Depth Selected)mm wide.

1 Particle board Shelves 1200mm wide x (depth) x 18mm.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 900mm wide.

2 Stepped Beams 400mm wide.

1 Particle board Shelves 900mm wide x 400mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 900mm wide.

2 Stepped Beams 450mm wide.

1 Particle board Shelves 900mm wide x 450mm Deep x 18mm Thick.

 

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 900mm wide.

2 Stepped Beams 600mm wide.

1 Particle board Shelves 900mm wide x 600mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 900mm wide.

2 Stepped Beams 750mm wide.

1 Particle board Shelves 900mm wide x 750mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 900mm wide.

2 Stepped Beams 900mm wide.

1 Particle board Shelves 900mm wide x 900mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1200mm wide.

2 Stepped Beams 400mm wide.

1 Particle board Shelves 1200mm wide x 400mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1200mm wide.

2 Stepped Beams 450mm wide.

1 Particle board Shelves 1200mm wide x 450mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1200mm wide.

2 Stepped Beams 600mm wide.

1 Particle board Shelves 1200mm wide x 600mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1200mm wide.

2 Stepped Beams 750mm wide.

1 Particle board Shelves 1200mm wide x 750mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1200mm wide.

2 Stepped Beams 900mm wide.

1 Particle board Shelves 1200mm wide x 900mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1500mm wide.

2 Stepped Beams 400mm wide.

1 Particle board Shelves 1500mm wide x 400mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1500mm wide.

2 Stepped Beams 450mm wide.

1 Particle board Shelves 1500mm wide x 450mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1500mm wide.

2 Stepped Beams 600mm wide.

1 Particle board Shelves 1500mm wide x 600mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1500mm wide.

2 Stepped Beams 750mm wide.

1 Particle board Shelves 1500mm wide x 750mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1500mm wide.

2 Stepped Beams 900mm wide.

1 Particle board Shelves 1500mm wide x 900mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1800mm wide.

2 Stepped Beams 400mm wide.

1 Particle board Shelves 1800mm wide x 400mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1800mm wide.

2 Stepped Beams 450mm wide.

1 Particle board Shelves 1800mm wide x 450mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1800mm wide.

2 Stepped Beams 600mm wide.

1 Particle board Shelves 1800mm wide x 600mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1800mm wide.

2 Stepped Beams 750mm wide.

1 Particle board Shelves 1800mm wide x 750mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 1800mm wide.

2 Stepped Beams 900mm wide.

1 Particle board Shelves 1800mm wide x 900mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2100mm wide.

2 Stepped Beams 400mm wide.

1 Particle board Shelves 2100mm wide x 400mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2100mm wide.

2 Stepped Beams 450mm wide.

1 Particle board Shelves 2100mm wide x 450mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2100mm wide.

2 Stepped Beams 600mm wide.

1 Particle board Shelves 2100mm wide x 600mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2100mm wide.

2 Stepped Beams 750mm wide.

1 Particle board Shelves 2100mm wide x 750mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2100mm wide.

2 Stepped Beams 900mm wide.

1 Particle board Shelves 2100mm wide x 900mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

2 Stepped Beams 2400mm wide.

2 Stepped Beams 400mm wide.

1 Particle board Shelves 2400mm wide x 400mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2400mm wide.

2 Stepped Beams 450mm wide.

1 Particle board Shelves 2400mm wide x 450mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2400mm wide.

2 Stepped Beams 600mm wide.

1 Particle board Shelves 2400mm wide x 600mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2400mm wide.

2 Stepped Beams 750mm wide.

1 Particle board Shelves 2400mm wide x 750mm Deep x 18mm Thick.

 

More Information

Additional Shelf level for Rivet Shelving Bays.

 

Product Specifications;

 

Easily Adjustable in 38.1mm increments,

Complies with Australian Standards.

Stepped Beams fit flush with boards.

5 year warranty.

 

Weight Capacities;

 

– 1200mm wide holds 200kg UDL.

– 1500mm wide holds 150kg UDL.

– 1800mm wide holds 150kg UDL.

– 2100mm wide holds 100kg UDL.

– 2400mm wide holds 50kg UDL.

 

Pack Includes;

 

2 Stepped Beams 2400mm wide.

2 Stepped Beams 900mm wide.

1 Particle board Shelves 2400mm wide x 900mm Deep x 18mm Thick.

 

More Information

Width Depth Weight Dimensions
2400mm - 300mm14 kg240 × 30 × 2 cm
900mm - 300mm3 kg90 × 30 × 2 cm
900mm - 400mm3.5 kg90 × 40 × 2 cm
900mm - 450mm6 kg90 × 45 × 2 cm
900mm - 600mm8.8 kg90 × 60 × 2 cm
900mm - 750mm10.7 kg90 × 75 × 2 cm
900mm - 900mm12 kg90 × 90 × 2 cm
1200mm - 300mm7 kg120 × 30 × 2 cm
1200mm - 400mm9 kg120 × 40 × 2 cm
1200mm - 450mm9 kg120 × 45 × 2 cm
1200mm - 600mm11 kg120 × 60 × 2 cm
1500mm - 300mm8 kg150 × 30 × 2 cm
1200mm - 750mm13.8 kg120 × 75 × 2 cm
1200mm - 900mm16 kg120 × 90 × 2 cm
1500mm - 400mm10 kg150 × 40 × 2 cm
1500mm - 450mm11 kg150 × 45 × 2 cm
1500mm - 600mm14 kg150 × 60 × 2 cm
1500mm - 750mm35 kg150 × 75 × 2 cm
1800mm - 300mm12 kg180 × 40 × 2 cm
1800mm - 400mm12 kg180 × 40 × 2 cm
1500mm - 900mm19.7 kg150 × 90 × 2 cm
1800mm - 450mm13.4 kg180 × 45 × 2 cm
1800mm - 600mm16 kg180 × 60 × 2 cm
1800mm - 750mm20 kg180 × 75 × 2 cm
1800mm - 900mm23 kg180 × 90 × 2 cm
2100mm - 300mm12 kg210 × 30 × 2 cm
2100mm - 400mm14 kg210 × 40 × 2 cm
2100mm - 450mm16 kg210 × 45 × 2 cm
2100mm - 600mm20 kg210 × 60 × 2 cm
2100mm - 750mm24 kg210 × 75 × 2 cm
2100mm - 900mm27.8 kg210 × 90 × 2 cm
2400mm - 400mm16 kg240 × 40 × 2 cm
2400mm - 450mm18 kg240 × 45 × 2 cm
2400mm - 600mm23 kg240 × 60 × 2 cm
2400mm - 750mm27 kg240 × 75 × 2 cm
2400mm - 900mm31 kg240 × 90 × 2 cm