Application These specially designed mounting plates are ideal for repairing, reinforcing or building beds or furniture; versatile screw mounting arrangement to fit your specific needs. The mounting plates feature 2 slots and have additional screw holes for flexibility in installation. Strong, Versatile, Easily Hidden Using these plates provides nearly invisible and extremely strong support. Can be easily mounted vertically or horizontally to provide bracing, support or reinforcement for your bed or piece of furniture. Provides the strength you need where most other brackets fail; packaged in pairs. If Supporting Box Springs If you are using these to replace brackets on an antique bed to hold the box spring up, it is suggested you use at least two pairs. For above average weight capacity, please use three pairs or more.