The Magnum 21 degrees Round Head Plastic Strip Nails are 2-1/4 inches long with a diameter of .131 inches. These nails are designed for easy and secure fastening in various building and home improvement projects. Made of high-quality steel, they provide durability and strength for long-lasting results. With a total of 728 rounds included in this new package, these nails offer reliability and convenience for all your DIY and professional needs.Money Back Guarantee