Stem Caster, Swivel Caster with Brake, 300 lb Load Rating, 300 to 999 lb, 2 in Wheel Dia., 1 13/16 in Wheel Width, Polypropylene Wheel/Tread Material, 2 3/4 in Mounting Height, Plain, 7/16 in x 1-3/8 in Caster Stem Size, Friction Ring, Steel Caster Frame Material, Zinc Plated Frame Finish, Yes Non-Marking, 1 Number of Wheels