The Wera Tool-Check Modular Set 1 is an ultra-compact and versatile tool kit designed for on-the-go fastening and precision mechanical work. This comprehensive set includes the Tool-Check Modular 1, a 21-piece tool set for manual and machine-operated screwdriving, and the palm-sized Tool-Check Modular Micro 1, a 21-piece tool set ideal for precision mechanical couplings. It also features the Tool-Check Modular L-Key Hex-Plus 1, a 7-piece L-key set for hexagonal socket screws. To ensure seamless connectivity and customization, the set includes adapter 9549 (a rigid element) and flexible hinge 9550, allowing you to combine different Tool-Check Modular components according to your specific needs. This 50-piece set offers a highly adaptable solution for various repair and maintenance tasks.