Material - The gussets are made of high-quality nickel-plated iron, which is sturdy and durable. .GREAT VALUE SET - The package contains 20ps angle brackets in one package to meet your everyday needs. .Anti-corrosion and anti-rust - stainless steel surface is waterproof and corrosion-resistant, suitable for indoor and outdoor use. Without worrying about everyday scratches and rust. .EASY TO USE - The end of each right angle bracket has been polished to a rounded corner protector to protect you from injury while in use. Each bracket has four holes for fixing screws. .MULTIPLE USES - This L-shaped bracket firmly holds wooden furniture such as loose tables, chairs, kitchen or bathroom cabinets, bookshelves, beds, windows, and other places where metal corner brackets can be used. .