The HAMMOND MFG part 1421NP100 is a package of (100) 10-32 zinc plated clip nuts designed to be used with punched (round) hole panel rails. These clip nuts are made from high-quality materials and provide a secure and reliable solution for mounting hardware on panel rails. They are ideal for use in various applications, including electronics, racks, cabinets, and more. With their zinc plated finish, these clip nuts offer enhanced durability and corrosion resistance. This package is perfect for professionals and DIY enthusiasts looking for a convenient and cost-effective solution for their hardware installation needs.