Feature: 1. Specifications: 2in heavy duty plate casters, including 4pcs casters and a pack of screws and gaskets, sufficient for easy use and replacement. 2. Polyurethane: These universal casters are made of polyurethane, light in weight, heat resistant and wear resistant, and have a long service life. 3. Good Performance: These swivel casters can slide easily without damaging the ground, without noise, and have strong bearing capacity. 4. Easy Installation: These casters are equipped with mounting plate with standard hole diameter for easy installation and good stability. 5. Wide Application: These casters can be installed on trolleys, workbenches, furniture, bookshelves, very suitable for home, workshop and office. Specification: Item Type: Plate Casters Product Material: Steel, Polyurethane Specification: 2in, 4pcs in a box, with screw and gasket Mounting Plate Size: Approx. 70 x 51mm / 2.8 x 2in Hole Pitch: Approx. Approx. 52 x 35mm / 2 x 1.4in Single Ultimate Load: Approx. 60kg / 132.3lb . Package List: 4 x Plate Casters1 Pack Parts (Screws and Gaskets)