Home Slickdeals 72″ Muscle Rack 5-Shelf Z-Beam Boltless Steel Shelving Unit (4000-Lb Capacity) for... Slickdeals 72″ Muscle Rack 5-Shelf Z-Beam Boltless Steel Shelving Unit (4000-Lb Capacity) for $46 + Free Shipping By ARCOM - 10 December 2018 152 0 SHARE Facebook Twitter Go to the deal page: 72″ Muscle Rack 5-Shelf Z-Beam Boltless Steel Shelving Unit (4000-Lb Capacity) for $46 + Free Shipping