Features; • 31 piece Torx and Pozi compatible bit set. • Elite performance screwdriver bits. • Optimal shock absorbing torsion zone for high torque applications. • Made with specially engineered hardened steel to extend wear resistance and bit life. • High tolerance machined tip reduces cam out and screw head damage. • 1/4″ hex shank. • Finish: Black Phosphate. Set contains: • PZ1 x2, PZ2 x5, PZ3 x2. • T10 x1, T15 x2, T20 x5, T25 x5, T27 x1, T30 x5, T40 x2. • 60mm bit holder x1.