Swivel, Plate Caster, Load Rating 4400 lb, Wheel Dia. 3 9/16 in, Wheel Width 2 3/16 in, Wheel/Tread Material Nylon, Wheel Core Material Nylon, Non-Marking Yes, Number of Wheels 1, Caster Brake Type Leveling Pad, Tread Shape Standard. This item has been restricted from sale in the following state (s): []