Swivel Corrosion-Resistant Standard Plate Caster Load Rating 240 lb Swivel Lock Type Total Lock Wheel Dia 3 7/8 in Wheel Width 1 1/4 in Wheel/Tread Material Thermoplastic Rubber Wheel Core Material Nylon Non-Marking Yes Number of Wheels 1 Caster Brake Type Total Lock Brake Tread Shape Standard