Stem Caster, Swivel Caster with Brake, 200 lb Load Rating, 0 to 299 lb, 2 in Wheel Dia., 7/8 in Wheel Width, Rubber Wheel/Tread Material, 2 3/4 in Mounting Height, Plain, 1/2 In.-13 x 2-1/2 in Caster Stem Size, Threaded, Steel Caster Frame Material, Zinc Plated Frame Finish, No Non-Marking, 2 Number of Wheels