Friction-Ring Stem Caster Kit, Swivel Caster, 550 lb Load Rating, 300 to 999 lb, 2 in Wheel Dia., 7/8 in Wheel Width, Rubber Wheel/Tread Material, 2 in Mounting Height, Plain, 7/16 in x 1 in Caster Stem Size, Friction Ring, Steel Caster Frame Material,...