Stem Caster, Swivel Caster, 75 lb Load Rating, 0 to 299 lb, 2 in Wheel Dia., Thermoplastic Elastomer Wheel/Tread Material, 2 1/4 in Mounting Height, Plain, 5/16 in x 1-1/2 in Caster Stem Size, Grip Neck, Nylon Caster Frame Material, No Finish Frame...