Material: chrome molybdenum. The heads are entirely hardened through heat treatment. Chromium-plated according to EN12540 standards and manufactured according to DIN 896 standards (metric only). The key is forged from high-quality chrome-vanadium steel. It is distinguished for its exceptional hardness, durability, and surface protection, offering the user reliable and long-lasting use.

It is a comprehensive 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 the force evenly over 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 precise and efficient power transfer.