Stem Caster, Swivel Caster with Brake, 100 lb Load Rating, 0 to 299 lb, 2 3/8 in Wheel Dia., Nylon Wheel/Tread Material, 2 5/8 in Mounting Height, Plain, 3/8 In.-16 x 3/4 in Caster Stem Size, Threaded, Nylon Caster Frame Material, No Finish Frame...