DURABLE AND ROBUST: Made of zinc alloy, this accessory is ideal for making paracord survival bracelets and offers greater strength compared to traditional survival rope bracelets. MULTIFUNCTIONAL: Can be screwed into the alloy buckle to enhance the versatility of steel cable and chain. U-shaped shackles are also commonly used in applications such as rope weaving and clothing decoration. SIMPLE USE: Features a 3-hole adjustment buckle that can be connected using a wrist adjustment buckle. The shackle includes an easy-to-open nut, and the screw head has a small groove for additional securing. OTHER APPLICATIONS: These buckles can be quickly secured and attached to a variety of connection points. Shackles are used in both operational and static systems as removable links. PACKAGE: Includes 3 D-shaped shackles and a functional compass, providing added safety and convenience for outdoor activities.