Heavy duty hardwood construction Carpeted to protect finishes and prevent slippage 3 in. hard rubber swivel casters SPECIFICATIONS SKU(s) 63098, 93888, 60497, 61899, 62399, 63096, 63095, 63097 Brand Haul-Master Caster size (in.) 3 in. Material Hardwood Maximum Working load (lbs.) 1000 lb. Product Height 5-1/2 in. Product Length 18 in. Product Weight 5.39 lb. Product Width 12-1/4 in. Shipping Weight 10.00 lb. Size(s) 18 In. x 12 In. Note: Specifications are approximate and subject to change