4 inch Caster Wheels Swivel Plate Safety Dual Locking Caster Soft Rubber Swivel Caster 1000 Lbs with 360 Degree Polyurethane Wheels Heavy Duty Casters Set of 4 by Vicsun

4'' Swivel Heavy Duty Plate Casters with Safety Dual Locking Bakes Vicsun caster made of polyethylene and high strength stainless steel so wear-resistant, scratch-resistant, no rust. Each 4 inches casters has a separate brake and top plate can rotate freely in 360 degrees, The package include 16 screws and two wrench, you can easy install it on the product that you need. In order to make the caster wheel work better, each caster has a separate brake, which can fix the wheel and the top turntable at the same time Specifications Material: polyethylene+stainless steel Caster diameter: 4 inches Plate Size: 3.74*2.56 inches Hole Size: 2.87*1.77 inches Nut diameter: 0.314 inches Weight: 8.8 lbs Package: 4*4 inches caster+ 16 screws+2 wrench Application:Perfect casters for equipment and furniture, including ottoman, coffee table, seat, shelf, plant stands, bookshelves, shoe bins, toy bins, shopping carts, workbench, underbed storage or other heavy things.