1、APPLICABLE SIZE: 7x6 inches shelf bracket, designed to support shelves from 8 inches to 10 inches deep (excluding lumber boards). The bracket is perfect 90 degree vertical angle, no need to worry about bending and deformation rebound problem. 2、DURABLE MATERIAL: The bracket is made of high grade carbon steel material die casting, no rust for life. The special metal material is lighter but stronger than other materials on the market. 3、STRONG LOAD BEARING: It has a greater load bearing capacity of 1100 lbs per pair, the shelf brackets can support books, power tools, emergency food and more. Use as a mantel bracket, heavy duty shelf bracket, mantel bracket, countertop support! 4、POWDER COATED FINISH: Matte black coated finish for durability and sturdiness. Shelf brackets come in a traditional matte black color, perfect for your farmhouse kitchen, garage, basement storage, and backyard! 5、EASY TO INSTALL: Comes with high strength screws and expansion plugs for different walls. Follow the steps correctly, place the pre prepared boards on top and you will get perfect and stable floating shelves. Item Type: Shelf Brackets Product Material: Carbon Steel Size: Approx. 5x15.2x17.8cm / 2.0x6.0x7.0in Gross Weight: 1160g/2.6lb Application: for Farmhouse, Kitchen, Garage 2 x Heavy Duty Shelf Brackets 4 x Expansion Screw 4 x Expansion Tube 8 x Screws