WERA 05056174001 800/1 BDC bits, 1.0 x 5.5 x 25 mm
800/1 BDC bits, 1.0 x 5.5 x 25 mm. 1/4″ hexagon drive (Wera connecting series 1). This greatly extends the product service life; ¼” hexagon, suitable for holders as per DIN ISO 1173-D 6.3. BiTorsion zone to absorb peak loads.