2.5mm Allen Wrench Hex 2 Inch Impact Driver Bits (Pack of 5) Superior Durability: Our impact Allen bit set is made with industrial-grade S2 Steel, providing unmatched durability and resistance to wear, making it a reliable long-term investment. Enhanced Precision: This hex head Allen wrench drill bit set is designed for exact fits, ensuring smooth, efficient work while minimizing stripping and damage to screws and surfaces. Versatile Compatibility: Whether you need Allen wrench drill bits for drill or impact driver, this set handles a wide range of tasks, from delicate assemblies to heavy-duty projects. Improved Reach: The extended shaft design of our impact Allen bit set allows easy access to deep or hard-to-reach screws, simplifying even the most complex or confined tasks. DiSSEL 2.5mm Hex Bit - Industrial-Grade Impact Driver 2" Metric Quick Release 2.5 mm Allen Bit Set. 2 Inch S2 Steel 2.5mm Allen Wrench for Repairing Bike, Furniture, and RC. (Pack of 5)