General Purpose Friction-Ring Stem Caster, Swivel Caster, 130 lb Load Rating, 0 to 299 lb, 4 in Wheel Dia., 1 in Wheel Width, Polyolefin Wheel/Tread Material, 4 7/8 in Mounting Height, Plain, 7/16 in x 1-7/16 in Caster Stem Size, Friction-Ring,...