Swivel, Corrosion- & Debris- Medical Plate Caster, Load Rating 190 lb, Swivel Lock Type Total Lock, Wheel Dia. 4 in, Wheel Width 1 1/4 in, Wheel/Tread Material Rubber, Wheel Core Material Plastic, Non-Marking Yes, Number of Wheels 1, Caster Brake Type Total Lock Brake, Tread Shape Standard