Swivel, Easy-Turn Standard Plate Caster, Load Rating 4850 lb, Swivel Lock Type No Lock Included, Wheel Dia. 3 7/8 in, Wheel Width 3 1/8 in, Wheel/Tread Material Nylon, Wheel Core Material Nylon, Non-Marking Yes, Number of Wheels 2, Caster Brake Type No Brake Included, Tread Shape Standard