| Brand | Martin Tool |
|---|---|
| Type | Check Nut Wrench |
| Finish | Black |
| Country of Origin | USA |
| UPC | 697950436487 |
Check the listing for details. Martin Tool 618MM 18mm Industrial Black Check Nut Wrench. Condition: New, Made in USA. Listed at 29.50 USD. 618MM 18 mm 38.1 mm 4.8 mm 130.2 mm 0.13 18 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.