F -type wrench designed for tightening or removing tools, round nuts vehicles, machinery and equipment on the use. IIC explosion highest performance level suitable concentration of 21% hydrogen environment at the job does not produce sparks, do not detonate gas.
F wrench Use: Beryllium : suitable for a concentration of 21% or less of hydrogen in the job, the standard code GBExIIC; aluminum bronze suitable concentration of 7.8 % or less of ethylene gas in industry standard code GBExIIB do
Complete model, also based on user requirements or drawing production. Round F -type wrench slip F wrench