SeaFlo 8 inch Hatch Cover Tool
thingiverse
This is a simple tool that inserts into the depressions of an 8 inch SeaFlo Screw-Out Deck Plate Inspection Hatch. https://www.seaflousa.com/product/8-screw-out-deck-plate-inspection-hatch/I find they can be hard to unscrew, so this tool gives you leverage to tighten and loosen the hatch.It fits snuggly, and can store in place.
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