Specification Binding : Tools & Home Improvement Brand : Service Caster Color : 4 Swivel - Top Lock Brakes - Red Label : Service Caster Manufacturer : Service Caster MaterialType : Polyurethane on Polyolefin Model : Series #30 PackageDimensions_Weight : 19.85042207048000220462262 PackageDimensions : L:12.4399999873112 X W:12.199999987556 X H:8.099999991738 PartNumber : SCC-30CS420-PPUR-TLB-4 ProductGroup : Home Improvement ProductTypeName : INDUSTRIAL_WHEELS Publisher : Service Caster Size : 4" Red Wheel SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/414DpL680lL._SL75_.jpg SmallImage_Width : 75 Studio : Service Caster Title : Service Caster - 4" Heavy Duty Polyurethane Wheel Swivel Casters w/Top Locking Brakes - Non Marking - 500lbs/caster - Set of 4 Weight : 19.9 WeightUnit : pounds