Wera Series 1 867/1 Z IP Sheet Metal Bit, TORX PLUS 27 IP Head x 1/4" Drive (Pack of 10) Features Wera's tough viscous design with the TORX PLUS profile, for TORX screws, 27 IP x 1/4" drive For hexagon bit holders and direct drives, with 25mm blade For Fein, Bosch, Holz-Her, Metabo, and Lecurex hexagon drives Featuring the TORX PLUS elliptical profile makes it possible to increse the size of the 6 flanks that transfer torque. You are able to distribute the force applied over a larger area, allowing more torque to be transferred. Extending the service life of the screw and tool Limited Lifetime Warranty, German Engineered