Hardened chrome vanadium steel blade. Phosphated finishing. The hex keys or T handle are subjected to torque and hardness test to analyse their mechanical resistance and to ensure meet they specific standards. Variety of profiles, to ensure that they are suitable for all applications in the automotive industry as well as other industries. The L type hex keys have two arms of different lengths, and...

Wear safety glasses, gloves and other safety equipment according to the job. Use the correct size of wrench for each bolt or nut. Do not close dimensions, metric for inches for example. Do not use pipes or other extensive bars to obtain more torque. Do not strike the wrench. Do not change the length of the lever using pipes or extension bars. Store in a clean and dry place.