These black internal hexagon socket screws and nuts are designed for easy and efficient binding of materials. Their sleek appearance makes them ideal for use in photo albums, scrapbooks, and other craft projects. The secure fit provided by the internal threading ensures that your projects remain intact and professional-looking. Features -Color:Black -Material:Iron -Size:0.80X0.60X0.60cm/0.31X0.24X0.24in -Size:0.80X0.60X0.60cm/0.31X0.24X0.24in -Thread: -solid material: manufactured from solid materials, these screws and nuts are built to last, offering reliable performance in various applications -Hexagon socket: the internal hexagon design allows for easy and efficient tightening and loosening, streamlining the installation and removal process -Stable connection: the interlocking screw and nut with clamp plate ensure a strong and stable connection, preventing any movement or detachment -Antiloosening design: the clamp plate locking screws are designed to prevent loosening and falling off, providing added security and stability -Ideal for small sizes: specifically designed into smallsized applications, making them ideal for precision applications and intricate projects Package list: 20 x nuts 40 x screws