Description These locking pin back clasps are designed to securely fasten your enamel pins, badges, or jewelry pieces. Crafted from durable metal, they feature a sleek and functional design that ensures your pins stay in place. The included wrench allows for easy tightening, making them ideal for both personal and professional use. Features -Color:Golden -Material:Alloy -Size:0.90X0.60X0.60cm/0.35X0.24X0.24in -Precision design: ideal for operating in small spaces, allowing easy removal of hardtoreach screws -Highstrength material: made from durable metal, it is wearresistant and extends the tool's lifespan, reducing the need for frequent replacements -Versatile compatibility: equipped with pin backs and badge interfaces, compatible with various accessories to meet different needs and improve work efficiency -Secure grip: the knurled design ensures a firm grip, preventing slippage and enhancing the accuracy and speed of tightening or loosening screws -Professional use: suitable for automotive repair, electronic device assembly, and precision machinery adjustments, making it an ideal tool for professionalsPackage list: 30 x Pin Locking Backs 3 x Wrench