Measuring 4 x 1-1/2 inches, these brackets perfectly work with a traditional 4 to 6-inch deep shelves board (Orders do not include boards) Large Capacity - 80 lbs. max weight capacity per pair when mounted into wall stud centers Tough- Constructed of rugged 1/5" thick steel with an industrial-grade powder coating that won’t chip or fade Low Profile- The mounting plate can be installed directly onto standard wood studs, which offers a reliable but discrete mounting aesthetic DIY Project- Perfect for the open shelving concept in a rustic or industrial home decor scheme. Mounting hardware included NEODROP 4 Inch Floating Shelf Brackets, Heavy Duty Hidden Bracket for Small Shelf, Kitchen Shelf, Black Powder Coated Steel, 12-Pack