Bosch 40 pc. Impact Tough Drill Drive Custom Case System Set - Driver Bit:

Black oxide coating on drill bits - provides lower fiction, along with less heat for long life Heat-treated bit manufacturing - provides stronger bit Durable case - features a secure case latch and rubber bumpers High-visibility bit markings - makes finding the correct bit for the job easier Tilt-in/tilt-out case mechanism - allows easier access to bits Impact Tough bit design - both driver and drill bits are impact rated and provide longer bit life than standard impact bits Driver bit Xtended Torsion Zone - helps to absorb high-torque of new impact drivers Precision-engineered driver bit tips - deliver a tighter fit and less cam-out Customized storage configuration - provides efficiency so the right bit is always at hand