NSF-Listed Sanitary Plate Caster, Swivel Caster with Brake, 150 lb Load Rating, 0 to 299 lb, 4 in Wheel Dia., 1 in Wheel Width, Polyolefin Wheel/Tread Material, 4 3/4 in Mounting Height, Plain, 7/16 in x 1 3/8 in Caster Stem Size, Friction Ring,...