Dumbbell Rack 1. Main tube adopts Dia.76*3mm 2. Two layers of super width hypotenuse board Dumbbell RackG.W.: 127.50 KGSMEAS.: 0.2161.Main tube adopts Dia.76*3mm top quality super thick tube desigh, elegant and durable . 2.Two layers of super width hypotenuse board design which makes the space flexibly.