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Stalye line bolt and nut checker

These nut & bolt thread checkers are made of strong stainless steel. Inch gauges are clear zinc plated, metric gauges are black oxide.Excellent item for the mechanic; Applicable to mechanical repairs, or common threads in plumbing, air and gas connections, etc.The wire cable of this thread identifier with loop for hanging it on the wall in your workshop or garage beside your toolbox.

Stalye boxed bolt and nut checker

Stalye blue&red boxed bolt and nut checker

boxed bolt and nut thread checker