4 Inch Swivel Casters with Brake Set of 4 Heavy Duty of 1200 lbs, Safety Dual Locking Plate Castors, No Noise Polyurethane Wheels for Furniture, Workbench and Carts(Free Nuts and Bolts and 2 Spanners) 4.7 out of 5 stars 39 $28.99 $ 28. 99 ($7.25/Item)