Swivel, Kingpinless Plate Caster, Load Rating 3950 lb, Swivel Lock Type No Lock Included, Wheel Dia. 9 15/16 in, Wheel Width 3 1/4 in, Wheel/Tread Material Polyurethane, Wheel Core Material Cast Iron, Non-Marking Yes, Number of Wheels 1, Caster Brake Type No Brake Included, Tread Shape Standard