..... sealing aluminum washers?
Heath's Hdwe in Center Harbor has self sealing aluminum washers, which are aluminum washers in different sizes that have a soft rubber washer-style liner, which work to attach items to the hull of a small boat by drilling a hole through the hull, attaching a scew fastener, without making a water leak. They actually work very good......and can be used as a last resort....if nothing else works......since most boaters do not like to drill holes through the boat hull.
Price: about 25-cents/each ....for a size 8, or size 10-screw.
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... down and out, liv'n that Walmart side of the lake!
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