Remember when you had the perfect wheels. Add some mobility into your DIY project with some WEN Swivel Casters. Made from durable non-marring black rubber with steel dust caps, these reliable wheels measure in at 4 in. Dia with a 1.2 in. tread width (100 mm x 30 mm). Roller bearings reduce friction and evenly distribute support loads. Plate measures in at 4 in. x 3.3 in. (102 mm x 84 mm) with four 9 mm x 14 mm mounting holes. Mounting hardware not included. Includes 4 swivel casters rated for loads to 155 lbs. Wheels measure at 4 in. Dia with a 1.2 in. tread width (100 mm x 30 mm) Made with durable non-marring black rubber with steel dust caps Roller bearings help reduce friction and evenly distribute support loads Plate measures at 4 in. x 3.3 in. (102 mm x 84 mm) with four 9 mm x 14 mm mounting holes Add some mobility to your DIY project Features Item Weight 5.89 Load Capacity (lb.) 155 Package Quantity 4 Features Heavy Duty,Value Pack Casters Product Type Plate Wheel Material Rubber Color Family Blacks Swivel/Rigid Swivel Returnable 180-Day Builders Hardware Product Type Casters Color Black Rubber Package Quantity2 4 Product Height (in.) 4.97 Product Depth (in.) 4.97 Plate Width (in.) 3.3 Wheel Diameter (in.) 3.94 Plate Height (in.) 4 Wheel Width (in.) 1.19 Product Width (in.) 3.94 Manufacturer Warranty N/A