Swivel, Kingpinless Plate Caster, Load Rating 550 lb, Swivel Lock Type No Lock Included, Wheel Dia. 5 in, Wheel Width 1 3/4 in, Wheel/Tread Material Nythane, Wheel Core Material Nylon, Non-Marking Yes, Number of Wheels 1, Caster Brake Type No Brake Included, Tread Shape Standard