Shortened single ended ring spanners are generally designed inconformity with DIN-7444 with low profile for application with restricted vertical access. These are light duty striking wrenches for general - purpose applications and are not recommended for heavy duty applications. Hardening is carried out to precise levels using specially developed process. These wrenches are finished black using a patented Manganese Phosphating process. Each wrench carries a distinctive identification number so as to ensure full tractability.
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