Lot of 3  Right and 3 left Super Heavy Duty  15''x 21''  Shelf Bracket 6 total, each measuring 15'' in height and 21'' in length. The brackets are made of durable steel with a powder coated finish in black. They have a maximum weight capacity of 1350 lbs per pair and are designed for wall mounting. These brackets feature a pattern of powder coating and are ideal for Bookcases & Shelving, Furniture, and Home & Garden.   Made in the United States, these shelf brackets are built to last and are perfect for those looking for heavy duty and reliable shelving solutions.