Non-marking gray rubber on polyethylene core. Steel thread guards for additional protection. Ideal for carts, bins or containers in many environments. Wheel Diameter (in.): 3, Caster Type: Rigid, Wheel Type: Nonmarking gray rubber on polyethylene core, Capacity (lbs.): 155, Wheel Width (in.): 1 5/16, Foot Brake: No, Mount Height (in.)...