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 to300lbs-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.
