"This polyethylene swivel caster with polyethylene hub is ideal for carts, bins or containers, has steel construction and steel ball bearings. Rolls quietly with less marking. Mounted on 4¹⁄₂' x 4' top plate. Mount Height in. 7 1/8, Wheel Type Polyethylene/polyethylene core, Wheel Diameter in. 6, Overall Height in. 7 1/8, Foot Brake No, Bolt Hole Spacing 3 1/2 x 3, Caster Type Swivel, Top Plate Dimensions L x W in. 4 1/2 x 4, Wheel Width in. 2, Capacity lbs. 660, Casters qty. 1. Rugged steel construction Steel ball bearings"
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