Flexible 3-Piece Extension Set: self-locking drill bit extension bars in 2 in (60 mm), 4 in (100 mm), and 6 in (150 mm) lengths. Can be used as a full set or individually selected according to your needs for maximum flexibility
High-Hardness Chrome Vanadium Steel: crafted from high-hardness Cr-V steel, providing superior impact and bending resistance compared to ordinary carbon steel, while maintaining excellent durability
Self-Locking Design: the extension bar features a locking mechanism. Simply slide the lock on the magnetic bit to quickly and easily change drill or screwdriver bits, greatly improving work efficiency
Built-In Magnetic Tip: the magnetic interface ensures bits or screwdrivers stay securely in place. Combined with the self-locking design, it reduces wobbling and prevents bits from slipping during use
Universal Hex Shank: designed with a standard hex shank compatible with most electric drills, impact drivers, and screwdrivers. Ideal for automotive, hardware, home maintenance, and DIY projects
