FLEXTORQ Screwdriver Bit Set boasts a contoured area where the bit flexes with the torque of the impact driver to absorb torque peaks and protect the bit for longer life The DT70730T FLEXTORQ Screwdriver Bit Set has 25 pieces and comes in a TSTAK compatible Connectable Case allowing multiple sets to be stacked and locked together. Featuring popular screw-driving bits for most professional and DIY work. The bit set is designed with a torque zone to absorb the highlights in the torque, allowing optimal bit flexibility in demanding applications. A full fit heads prevents play and screw head turning. Stored in a Connectable Tough Case compatible with the TSTAK System. Features: Full-fit head eliminates wobble and screw head rounding CNC Machined Optimised Torsion Zone for greater bit strength and longer life Optimised torsion zone maximises bit life and turning force even in the most demanding applications Contoured area of the bit flexes with the torque of the impact driver to absorb torque peaks and protect the bit for longer life DEWALT branded torsion zone Includes a torsion zone drive guide with an extending sleeve for improved fastener stability and control. For use with 25mm screwdriver bits Longer life on 25mm bits when used in a torsion zone drive guide 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 in the fastener and reduced cam-out Contains: 7 x PZ2 25mm 1 x PZ3 25mm 1 x SL6 25mm 2 x T20 25mm 2 x T25 25mm 2 x T30 25mm 2 x PH2 57mm 2 x PZ2 57mm 1 x PZ3 57mm 1 x PH2 89mm 1 x PZ2 89mm 1 x T20 89mm 1 x 8mm Cleanable Nut Driver 1 x Compact Magnetic Drive Guide with Torsion Zone