Multifunctional tool that combines tightening and loosening of dart shafts with rotary darts and screwdrivers, providing an all-in-one solution for quick and reliable maintenance. Size and portability - 6 cm long, 1.2 cm diameter - Small, lightweight and easy to carry - Suitable for use anywhere and anytime Durable performance - Made from strong, wear-resistant metal - Durable and resistant to deformation - Sturdy construction helps hold darts securely for long-term use Easy to use - Equipped with multiple buttons to accurately control the degree of tightening - Multi-button design supports easy, precise operation Use scenarios - Between practice sessions at home to adjust shaft fit and tip alignment - At the club or tournament venue for quick maintenance during breaks - While traveling to events to keep darts in optimal condition on the go