| Brand | Martin Tool |
|---|---|
| Type | Check Nut Wrench |
| Finish | Black |
| Country of Origin | USA |
| UPC | 697950436548 |
Check the listing for details. Martin Tool 630MM 30mm Industrial Black Check Nut Wrench. Condition: New, Made in USA. Listed at 54.82 USD. 630MM 30 mm 61.9 mm 7.9 mm 215.9 mm 0.66 30 mm. These industrial black wrenches are used on check nuts, stop nuts, jam nuts, and hydraulic fitting. (Also referred to as Thin Head Wrench) These are special purpose unusually thin head single end wrenches with a 15 degree angled slotted opening.