Specification Amount : 89.99 Brand : National Standard CurrencyCode : USD Label : National Standard Inc. Manufacturer : National Standard Inc. MaterialType : Polyurethane NumberOfItems : 4 PackageDimensions_Weight : 29.74917763428 PackageDimensions : L:17.99999998164 X W:11.99999998776 X H:11.99999998776 PartNumber : 10-FF- CASTER ProductGroup : Automotive Parts and Accessories ProductTypeName : INDUSTRIAL_CASTERS Publisher : National Standard Inc. Size : 10 Inch SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41wkBCH+7WL._SL75_.jpg SmallImage_Width : 75 Studio : National Standard Inc. Title : Caster - Flat Free Tire with Wheel Brakes (Pack of 4) – 2 Swivel – 2 Rigid – Industrial Grade - (10 Inch) Weight : 29.7 WeightUnit : pounds