Wrench is used to tighten or loose the tubes during drilling.

Diamond circular wrenches, the wrenches are uniform distribution of diamond, wear-resistant, not easy to fall off. When used, do not slip, and do not hurt the tube wall, which can extend the working life of the drilling tools, especially for assemble and disassemble the double tube core barrels.

Size Available:

Wireline Inner/Outer Tube Wrenches: 
Pipe Wrenches: 
Circular Wrenches: 
Rod Wrenches: