1.Installation Template helps mount holes; Bubble Level helps get perfect horizontal location. (Assembly needed DIY project - Composition of four 1'x3' shelves per tier)
2.The buckle design with velcros prevents the brackets from falling or bending.
3.Heavy gauge steel construction provides safety loading up to 1400lbs total.
4.All hardwares have gone through strict tests.
5.Can NOT be mounted to metal wall. Suitable for wood studs/joists and concrete wall.
