FLEXIMOUNTS 4-Pack 2x6ft Garage Shelving 24-inch-by-72-inch Wall Shelf Garage Storage Rack Floating Shelves suitable for securing to either wall studs or solid concrete walls.Heavy gauge steel construction provides safety loading up to 800lbs total.Installation Template helps mount holes; Bubble Level helps get perfect horizontal location. (Assembly needed DIY project - Composition of four 1'x3' shelves per tier).Enjoy free shipping and 60-day return policy.