The PB 210.H-5 RB - a set of 5 color coded Key L-wrenches or the PB 210.H-6 RB - a set of 6 color coded Key L-wrenches are both set in a practical plastic holder, ideal for hexagon socket screws. These L-wrenches are designed for hexagon socket screws, offering precise chamfered edges for easy insertion. Crafted from a special alloy based on spring steel, they provide exceptional elasticity and high-grade hardening for superior performance. Each wrench is laser-marked with a unique serial number and backed by a lifetime guarantee, ensuring reliability and durability for all your tasks.