40-Piece BOSCH Driven Impact Screwdriving and Drilling Custom Case Set (DDMSD40)

DRIVEN DESIGN: Provides 50X life over standard bits, with a torsion zone built to last, hardened surface, and precision tip.
PRECISION-MILLED BIT TIPS: Deliver a better fit and less cam-out.
TORSION ZONE: Built to last, with a new tapered design that absorbs the torque peaks of impact drivers to avoid breakage.
HEAT-TREATED BIT MANUFACTURING: Ensures more durable bits for long-lasting use.
IMPACT-RATED INTERFACE: Made to fit 1/4 In. hex impact drivers.