Wera 056157 8055-6/TH - Bit-Check Extra Hard for soft joint wood fastening. These torsion bits extend bit life over standard bits and prevent cam-out. Torsion Extra Hard Bits feature a Torsion zone, which extends bit life over standard bits and come with the original Rapidaptor holder, boasting the unique auto-bit lock system for one-hand bit changes and a rotating sleeve for easy steadying. Standard 1/4in hexagon drive. TH Torsion Extra Hard bits are a hard wearing, great value bits, with longer service life. Ideal for driving into timber and general construction materials. 1 x 895/4/1 K Universal bit holder with strong permanent magnet and quick-release chuck 6 x Torsion Extra Hard Pozi bits 2 x PZ1, 3 x PZ2, 1 x PZ3