Bosch Impact Tough 40-Pc Alloy Steel Shank Screwdriver Bit Set

Impact Tough™ design – provides 10X life over standard bits, with an Xtended Torsion Zone, hardened core and precision tip
Xtended Torsion Zone – helps to absorb the torque peaks of impact drivers to avoid breakage
Tilt in/tilt out case mechanism – allows easier access to bits