The Bosch Professional Extra Hard T30 Screwdriver Bit Set in a practical TicTac box is an excellent choice for versatile screwing tasks. With a 1/4 inch external hex shank, it is compatible with common screwdrivers and drill drivers. The bits are made from S2-modified steel, which achieves above-average hardness through an optimized heat treatment process. This ensures reliable performance across various applications. The conical torsion zone of the bit is specifically designed to effectively handle torque peaks, optimizing the transfer of forces and vibrations. This set is ideal for anyone who values quality and durability.

• 1/4 inch external hex shank for versatile applications
• Made from S2-modified steel for above-average hardness
• Conical torsion zone for effective handling of torque peaks.