Self Adjusting Wrench

Essential unique POWER TOOLS probably the most useful addition to your tool box you will ever make.

The POWER JAWS open wrench adjusts its grip to meet the torque required. It has an infinitely variable quickly set bite. The head can be angled to give maximum leverage in a confined space with full ratchet action. It will grip pipework, shafts or worn collars better than any other tool.


"Power" ratchet action rotating head infinitely adjustable Open Jaws Wrench

8'' with 0-1'' opening torque 130lbs £24.95

11'' with 0-1 ½''  opening torque 230lbs £34.95

14'' with 0-2 ½ '' opening torque 430lbs £49.95


Yachting Instruments Ltd


Sturminster Newton


DT10 2EH


Tel: +44(0) 1258 817662




Website & products updated September 2022


We are happy to provide expert advice and to answer all your questions about our products.