Swivel, Corrosion- & Heat- Standard Plate Caster, Load Rating 330 lb, Swivel Lock Type Total Lock, Wheel Dia. 3 7/8 in, Wheel Width 1 1/4 in, Wheel/Tread Material Nylon, Wheel Core Material Glass Filled Nylon, Non-Marking Yes, Number of Wheels 1, Caster Brake Type Total Lock Brake, Tread Shape Standard