Black Duck Brand 4 Pack 3" Swivel Caster Wheels Rubber Base with Top Plate & Bearing， Heavy Duty</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Includes 4 Swivel Casters with 3" Hard Rubber Wheel</li><li>3'' Diameter Rubber Wheel</li><li>Wheel Width is 0.75"， Overall Height is 3.8" and the metal plate size is 2.6" x 3"</li><li>Steel frame and plate. Each Wheel Can Hold 175 LB</li><li>Each caster comes with a 90 day warranty</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51XnH8DuF0L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51AbWuBxjcL.jpg' noproxy></br>