Extreme Dewalt torsion bits with "Extra-Grip" grooves for optimum grip and hardened bit core for increased strength and longer service life. The special torsion zone ensures optimum torsion properties during sudden torque peaks and thus reduces the risk of breakage (torsion bits only). Skinned bit core for increased strength and longer service life. High quality screwdriver bits in two new versions - Torsion and Extreme Dewalt. All bits are supplied in a robust, resealable, pocket-sized plastic box. The special torsion zone ensures optimum rotation properties during sudden torque peaks and thus reduces the risk of breakage. European high-performance steel forms the basis for a long service life. Typical applications: For all screwdriving applications.