39-piece set. Super-compact tool set for hand and machine use. The green locking elements of the Tool-Check secure the tools during transport. Includes 1/4" bit ratchet, drop-forged solid steel design. Fine-tooth mechanism (60 teeth) for a small return angle of 6° for precise work. Simple left/right switching. Ergonomically shaped ratchet head and lever. With the Wera adapter 870/1 (1/4" external hexagon to 1/4" external square) included in the set, the use of 1/4" sockets is also possible. 7 Zyklop sockets (1/4", imperial sizes) for manual and machine operation; with ball catch groove. Knurling at the rear end for a good grip when tightening by hand. With Take it easy tool finder: colour coding according to size - for finding the required tool quickly and easily. Made from matt chrome vanadium. 28 bits, BTZ version with BiTorsion zone (prevents premature breakage of the bit) and Take it easy tool finder: colour coding according to profiles and sizes, hard-wearing version (Z) for universal use, Phillips, TORX, TORX BO, slotted and square drive for universal use. In a super-compact, functional tool check.