Excelmans - Non-Sparking Tools, Non-Spark Flare Nut Open Ring Wrenches
- DIN3118 Standard.
- Die forged.
- It is used for griping the nuts on the ends of tubes. Similar to a box-end wrench but instead of encircling the nut complety, it has a narrow opening just wide enough to allow the wrench to fit over the tube, and thick jaws to increase the contact area with the nut.
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