Replace your worn out, noisy plastic trash container wheels with our quiet, smooth-rolling solid rubber wheels. These wheels are made of solid rubber tires (rib tread) & high density polyethylene (HDPE) rims. The spring loaded snap-lock (snl) mechanism ensures quick installation onto the grooved axle of your trash can - it's a snap. Comes Complete with three 1/2" spacers to accommodate a variety of hub-lengths (from 4" to 4-1/2"). 330 lbs load capacityper wheel.