Swivel, Antimicrobial Corrosion- & Debris-Resistant Medical Plate Caster, Load Rating 240 lb, Swivel Lock Type Total Lock, Wheel Dia. 6 in, Wheel Width 1 1/4 in, Wheel/Tread Material Thermoplastic Rubber, Wheel Core Material Plastic, Non-Marking Yes, Number of Wheels 1, Caster Brake Type Total Lock Brake, Tread Shape Standard