• Package includes 80 shelf supports with self-tapping screw and silicone. • 7.5 mm screws with 12 mm thread length, invisible on shelves. • Made of high-quality metal, nickel-plated, smooth and burr-free. • 3 mm support with strong load capacity of 25 kg. • Innovative design with compact and integrated structure. • Easy and quick installation with screwdriver or electric drill. • Widely used in wall shelves, cabinets, wooden shelves, clothing rods, etc.