🔩 Reinvent Your Repairs with Confidence! Outer diameter of 7.8mm ensures compatibility with various projects. Simply drill, insert, and secure for a seamless repair. Designed to replace stripped threads, ensuring reliability. Crafted from durable 304 stainless steel for long-lasting performance. Ideal for steam turbines, electronics, and even 3D printing. 25pcs per pack 1/4"-20 Thread Size 304 Stainless Steel The uxcell 1/4-20 304 Stainless Steel Helical Recoil Coil Wire Thread Insert pack includes 25 high-quality inserts designed to restore stripped or damaged threads. Made from robust 304 stainless steel, these inserts are perfect for a variety of applications, including mechanical equipment and electronics. With an easy installation process and a precise fit, they are the go-to solution for professionals seeking reliability and durability in their repairs.