Locking backs for pins are a great way to ensure that your enamel pins stay in place. Our pin backs with wrench are designed to provide a secure hold, making them ideal for use on backpacks, jackets, and other fabric surfaces. The stainless steel pin backs are practical and resistant to wear and tear, ensuring long-lasting use. To use, simply attach the pin to your desired location, tighten the clasp with the wrench, and enjoy the peace of mind that your pins are securely fastened. Features -Color:Silver -Material:Stainless steel -Size:4.60X1.60X0.20cm/1.81X0.63X0.08in -Size:0.90X0.60X0.60cm/0.35X0.24X0.24in -Simple and efficient: the locking pin keepers with wrench provide an to secure or release screws, making the process quick and efficient. -Wide range of uses: these pin backs are compatible with various metal fittings and clutch interfaces, offering versatility for different applications. -sturdy metal: made from practical stainless steel, these pin backs are designed to withstand wear and damage, ensuring use -Secure locking: the locking design ensures that screws are held securely in place, reducing the risk of them coming loose or falling off -Portable and lightweight: the compact and lightweight design makes these pin backs easy to carry and use in various settings, such as home and car repairs Package list: 20 x locking pins 20 x pin backs 2 x wrenches