General Purpose Threaded Stem Caster, Swivel Caster with Brake, 120 lb Load Rating, 0 to 299 lb, 3 in Wheel Dia., 7/8 in Wheel Width, Rubber Wheel/Tread Material, 3 1/2 in Mounting Height, Plain, 3/8 In.-16 x 1-1/2 in Caster Stem Size, Threaded, Steel Caster Frame Material, Zinc Plated Frame Finish, No Non-Marking, 1 Number of Wheels