Wera 060147, 868/4 BTZ Square-Plus Bits, # 1 x 50 mm

BiTorsion bits for square socket screws with elastic 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. This provides the best possible durability together with the matching holder. Tough viscous for universal use. ¼" hexagon, suitable for holders as per DIN ISO 1173-F 6.3.