If rusty, corroded casters are a problem for you, Colson stainless steel casters with Delrin® bearings are the solution. These caster assemblies are built to handle the most punishing,corrosive food processing environments. Available in 4", 5", 6", and 8" wheel diameters, they feature a polished stainless steel finish that maintains its good looks in the most hostile, demanding conditions. All components, including spanner bushing, axle, nut and washers, are made of stainless steel. Standard Delrin wheel bearings are easy rolling, non-corrosive and virtually maintenance free. Available in both swivel and rigid designs. Choose your stainless steel caster assembly from below and put an end to your caster corrosion problems. 2" wide tread with capacities up to 900 lb.