Stem Caster, Swivel Caster, 100 lb Load Rating, 0 to 299 lb, 2 in Wheel Dia., 7/8 in Wheel Width, Polyolefin Wheel/Tread Material, 2 1/2 in Mounting Height, Plain, 3/8 In.-16 x 1-1/8 in Caster Stem Size, Threaded, Steel Caster Frame Material, Zinc Plated Frame Finish, Yes Non-Marking, 1 Number of Wheels