25.4 (1 inch) Hole Plugs for Colder Cooler Project and Other Uses
Description
What: Press fit (no glue required) flexible hole plugs for 1 inch 25mm holes. Files for material thickness 1.5mm, 2.0 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm as different coolers and sometimes different locations on a cooler have different material thickness. Why: The non-marine coolers I have do not have insulated lids. Insulating the lids should allow the cooler to be kept colder longer. How: I cut one inch holes in the lids and spray foamed the interiors and plugged the holes with these.
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