Built to Last: All these shelf support are made of sturdy steel resist bending and breaking high durability heavy duty and long service time. Application: 90 Degree angle bracket can be used to build a frame serve as a corner connected like fastening chair wooden table wooden bed desk windows bookshelf etc. Decorative: Matte painted rustproof undoubtedly an unassuming accent for all wall mounted shelving particularly industrial and modern themed decor. Space Saving: Imagine a clean clutter free space where you can keep decorative items dishes and more displayed on shelves hung on these shelf brackets. Easy Mounting: Easy installation with screws(Not includes) fine and smooth edge make it more safety and good protected your hand. Specification: Material: Steel Color: Black White Size(LxWxH): About 100x21x100mm/3.94x0.83x3.94inch 150x22x125mm/5.9x0.87x4.92inch 200x32x150mm/7.87x1.26x5.9inch Load Bearing: About 50-200kg Quantity: 4pcs/pack Package includes: 4pcs x Shelf Bracket Note: 1. Due to the light and screen difference the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.