Mid-Century Modern: These black triangle shelf brackets are designed with industrial hairpin stools, the geometric prism patterns will perfectly match the mid-century furniture decoration, and add an attractive Nordic style to your home while providing extra wall storage space. Anti-Rust and Fade-Resistant: Our geometric prism shelf brackets are made of high quality iron with environmentally friendly surface treatment. the environment, to keep the brackets rust-proof and fade-proof, looking shiny as new after many years of use. DIY ASSEMBLY WALL SHELVES: Create your DIY projects to meet your display and storage needs. These brackets are suitable for a bookcase, showcase, storage shelf, terrace or balcony shelf. Perfect for family and commercial use. They are sturdy enough to support up to 40 kg per pair. Easy to install: With the included hardware and pre-drilled holes on the metal plate, the thick iron brackets are easy to mount in the wall. Then you need to put a wooden board on these brackets to make your house more tidy. Can easily match different types of wood with the width between 15cm and 30cm.