Wera 056414, 851/1 BTH Bits, PH 3 x 25 mm

High quality bits for Phillips screws with Torsion zone - where kinetic energy is diverted from peak loads - and softer BiTorsion zone to prevent the bit tip from twisting under peak loads. This greatly extends the product service life. Extra-hard design, ¼" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.