This tool set features correctly selected steel varieties for various applications. The screwdriver tips are made of durable S2 steel, while the other keys and bits are crafted from alloy Chrome Vanadium steel, making it an excellent material choice for any DIY kit. The elements in this toolbox are drop forged, ensuring they are particularly resistant to deformation even under high loads. The ratchet mechanism contains 72 locking pawls, allowing this tool set to be used effectively in demanding conditions. The set comes with a robust steel case, featuring strong locks and metal hinges, with elastic plastic inside for secure storage and transport of all components. This comprehensive tool set is an ideal choice for both crafters and professionals.