Large Size: Sturdy powder coated design, narrow enough to fit behind both thin and thick shelves. The back plate is 6 inches wide and 1.0 inches tall. Recommended for 6.5 to 10 inches deep and 1.5 inches thick wood floating shelves in home, kitchen, bathroom, bars, office, farmhouse or anywhere you need them. there are decorating and organizing needs. Heavy Duty Floating Shelf Brackets: Our brackets are made of premium solid steel and your shelves have a weight capacity of up to 100 lbs when properly mounted to studs or drywall. Now you can hang all your shelves without having to worry about ugly metal accessories ruining your home decor with your hidden floating shelf hardware! Premium Quality & Durability: To ensure quality, we have enhanced the corrosion protection with a powder coated finish for long-term use of the floating shelf bracket and prevent rust build-up. Each bracket is guaranteed to be straight, square and of exceptional quality.