General Purpose Threaded Stem Caster, Swivel Caster, 210 lb Load Rating, 0 to 299 lb, 3 in Wheel Dia., 1 1/4 in Wheel Width, Polyolefin Wheel/Tread Material, 3 13/16 in Mounting Height, Delrin, 7/16 In.-14 x 1-1/2 in Caster Stem Size, Threaded, Steel Caster Frame Material, Zinc Plated Frame Finish, Yes Non-Marking, 1 Number of Wheels