Swivel Corrosion-Resistant Standard Plate Caster Load Rating 770 lb Swivel Lock Type No Lock Included Wheel Dia 3 7/8 in Wheel Width 1 1/2 in Wheel/Tread Material Nylon Wheel Core Material Nylon Non-Marking Yes Number of Wheels 1 Caster Brake Type No Brake Included Tread Shape Standard