FLEXTORQ Screwdriver Bit Set with optimised torsion zone to maximise bit life and turning force even in the most demanding applications The Dewalt DT70731T FLEXTORQ Screwdriver Bit Set comes in a TSAK Connectable Case featuring all the popular screw-driving bits you'll need for most professional and DIY work. FLEXTORQ Bits are designed with a torque zone to absorb the highlights in the torque, allowing optimal bit flexibility and a longer life in demanding applications. The full fit heads prevents play and screw head turning. They are stored in a Connectable Tough Case compatible with the TSTAK System. Features: Connectable Case allows multiple sets to be stacked and locked together TSTAK compatible to hold all your accessory sets in one place Compatible with the TSTAK system via the Caddy and Large Tough Case Easy bit removal and retention for user convenience Bits lock into place to prevent them falling out when not in use Extreme Impact Ready Optimised Tip Geometry for full fitment