Replacement axle/wheels are designed specifically for Rubbermaid Commercial products. Precision engineering ensures smooth gliding and easy mobility so that your product maintains its functionality for an extended service life. Kit includes two 8" overmolded wheels, one 0.5" diameter steel axle, two 0.5" push nuts and two 0.5" axle washers. Caster/Glide/Wheel: Wheel; Color(s): Black/Gray/Silver; Color Family: Black; Wheel Tread: Hard.