General Purpose Threaded Stem Caster, Swivel Caster, 275 lb Load Rating, 0 to 299 lb, 4 in Wheel Dia., 1 1/4 in Wheel Width, Polyolefin Wheel/Tread Material, 5 in Mounting Height, Plain, 3/8 In.-16 x 1-1/2 in Caster Stem Size, Threaded, Steel Caster...