PBC Linear SRAM12 0360 SL Linear Metric Shaft Assembly, 12 mm Shaft Dia, 360 mm Lg, Steel 6DJZ2 Nominal Efficiency 91 Percent Nominal Efficiency 91 Percent Country of Origin United States Overall L x W x H 41 7 8 in L x 23 7 8 in W x 17 1 2 in H Overall Length 41 7 8 in Overall Width 23 7 8 in Overall Height 17 1 2 in Inside Width 21 1 2 in Inside Length 40 1 8 in Inside Height 16 1 2 in Outside Length 41 7 8 in Outside Height 17 1 2 in Width 23 7 8 in Length 41 7 8 in Outside Width 23 7 8 in Height 17 1 2 in Hopper Height 16 1 2 in Color Gray Load Capacity 175 lb Material Polypropylene Stackable Yes Volume Capacity 8 Shaft Diameter 12 mm Compatible Series FrelonGOLD(R) Linear Plane Bearings and Pillow Blocks