NSF-Listed Sanitary Threaded Stem Caster, Swivel Caster, 350 lb Load Rating, 300 to 999 lb, 4 in Wheel Dia., 1 1/4 in Wheel Width, Polyurethane Wheel/Tread Material, 4 13/16 in Mounting Height, Delrin, 1/2 In.-13 x 2-1/2 in Caster Stem Size, Threaded,...