Material: chrome molybdenum. The heads are fully hardened by heat treatment, chrome-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-term use. It is a comprehensive solution for tightening bolts and nuts and is an essential tool for professionals and DIY enthusiasts.

With the special safety cut, the keys prevent damage to the corners and edges of screws and nuts by distributing 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 ensure precise force transfer.