(Clearance) (Set of 4) Swivel Caster with 4" Hard Wheel Brake w 7/16" Grip Stem 4" x 1" Wheel 7/16" Grip Ring Stem Stem (Pack of 4) Caster 1-4351-PO-1-4351-PO-SLB Stem (51) 7/16" Grip Ring Stem (1280# Cap.) (Black) (Pack of 4)