Stem Caster, Swivel Caster, 220 lb Load Rating, 0 to 299 lb, 5 in Wheel Dia., 1 1/4 in Wheel Width, Rubber Wheel/Tread Material, 6 25/32 in Mounting Height, Ball, 27/32 in x 2-3/16 in Caster Stem Size, Friction Ring, Nylon Caster Frame Material, Unfinished Frame Finish, Yes Non-Marking, 1 Number of Wheels