Material: chrome molybdenum. The heads are fully hardened by heat treatment. Chrome-plated according to EN12540 standards. Manufactured in accordance with DIN 896 standards (only metric). The key is forged from high quality chrome-vanadium steel. It is distinguished for its excellent hardness, durability, and surface protection, offering reliable and long-lasting use.

It is a complete solution for tightening bolts and nuts and an essential tool for professionals and DIY enthusiasts.

With special safety cutting, the keys prevent damage to the corners and edges of screws and nuts by distributing force evenly across the surface away from the outer lines of the nut or screw head.

The state-of-the-art design gives Unior keys the ability to guarantee the precise transfer of force.