PIPE BRACKETS SIZEPipe shelves brackets size: flange diameter: 85mm/ 3.3", short arm: 80 mm/ 3.15" (Including flange and elbow), long arm: 150 mm / 5.9" (Including flange and elbow). Package included: 4PCS shelf brackets, screws included. This scaffold board shelf brackets also fit plank 18-28cmin width), 50-100cm(in length)STRONG & HEAVY DUTYThese floating shelf brackets is designed to be solid enough. Flexible design. Make maximum use of your space with shelves that fit perfectly. Heavy duty and sturdy. Industrial retro design, perfect for your home decoration to show loft steampunk style. Good for your handmade shelves to hold books, plants, jars, bottles, shoes etcMATERIALOur wall brackets for shelves made with durable industrial pipe fittings. These shelving brackets are made of selected iron material, strong hardness, firm, durable and reliable, not easy to break. The floating shelves bracket surface is smooth, corrosion resistant, rust-proof and anti-acid. Brushed appearance will not get rust. More durable and can put in damp space. Hollow pipe and can hold wire in itSAVE SPACEThese wall mounted brackets suitable for limited spaces, keep your room organized. Save your room, dress up your empty wall. These cast iron shelves are put in living room, bedroom, study room,store,hallway,corridor,shop,basement,kitchen,office as a bookshelf, bathroom corner shelves, commodity shelf, this stylish shelf brackets will make a statemen in any room, with a rustic industrial modern lookQUICK&EASY INSTALLATIONTighten flanges and elbow then a heavy duty shelf brackets done! We also offer screws to mount. Brackets are constructed to hold a pretty heavy shelf