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A Thru Hull step wrench prevents the thru hull fitting from turning while the nut is tightened.
Designed for Buck-Algonquin Thru Hull fittings from 1/2 inch up to 1-1/2 inches. This tool may not be compatible with fittings from other sources.
Not For Removal Of Old Thru-Hull Fittings.
WARNING: Cancer and Reproductive Harm
Warning: this product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov
December 3, 2012
Worked great to install new 3/4" thru hull. Haven't tried it yet, but looks like it would also work for thru hull removal
November 29, 2011
I bought this wrench to help remove and install new thru hulls. (Note that the description plainly states that it is not for "removal"). If I could have had enough room inside of the bilge for the thru-hull removal, the wrench might have worked but we ended up just grinding the mushrooms off the thru-hulls and then using the tool for the reinstall. Worked great and we (two person tool only, one on the boat inside and one outside holding the tool with a monkey wrench) were able to quickly reinstall new thru-hulls. Couldn't have done it without this tool.
June 23, 2010
I found it very useful both to put in thru hulls and also to remove them - I don't know why the manufacturer says it is not suitable for removing thru hulls. It's robust, heavy duty and does what it's designed for.
January 19, 2009
If the thru-hull is old, its knobs/keys that the wrench locks into may be gone. Then the wrench is useless and you either try vice grips or a grinder and grind off the ring of the TH. For an install, the tool was VERY helpful to tighten the TH from the outside where there was not room for a wrench on the inside nut.
August 21, 2008
You can put a wrench on it without any problem.
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