A 127-piece screwdriver bit set covering common and special screw profiles. Includes slotted, Phillips (PH) and Pozidriv (PZ), star, hex, and security versions with a hole, plus other special bits. The bits come in lengths of 25, 50 and 75 mm, allowing you to choose the right reach for the joint. They are made of hardened chrome-vanadium steel with a matte chrome-plated surface. A plastic case with a locking lid, internal organisation and a hanging hook keeps all accessories neatly together.