Swivel, Plate Caster, Load Rating 330 lb, Swivel Lock Type Total Lock, Wheel Dia. 4 in, Wheel Width 1 3/8 in, Wheel/Tread Material Nylon, Wheel Core Material Nylon, Non-Marking Yes, Number of Wheels 1, Caster Brake Type Total Lock, Tread Shape Standard. This item has been restricted from sale in the following state (s): []