Jaken SCB0750D Medium-Duty Boltless 5-Shelf Shelving Unit, 15" x 30" x 60"Jaken's Medium Duty 5 Shelf Shelving Unit is easy to assemble and built to last. Each shelf can hold up to 450 lb. Boltless design means there are no nuts, bolts or shelf clips. No special tools required, simply use a mallet, block, or light hammer to tap the rivets into the slotted post holes. Can be assembled as one 5 shelf free standing unit 30"(W) x 15"(D) x 60"(H) or two workbenches 30"(W) x 15"(D) x 30"(H). Steel components are powder coated