Size / Range: 1000x2000, 1250x2500, 1500x3000 Thickness: 0.5 to 3 mm Specification: ASTM A240 / A480 WALKWAY SHT 2.0mm x 1200mm x 2400mm 304 15mm Dia Dimple x 6.35mm Dia Hole S2123WWS: WALKWAY SHT 2.0mm x 1200mm x 3000mm 304 15mm Dia Dimple x 6.35mm Dia Hole S2WWP: WALKWAY PLANK 2.0mm x 25mm x 50mm x 300mm 304 6.35mm Dia Hole, 3000mm long