[ https://www.amazon.com/dp/B076M96GDL?tag=dmflip-20&linkCode=ogi&th=1&psc=1 ]
Caplugs BP-1 3/4-5 BP Series – Button Plug with Recessed Type Heads, 400 Pack, Black LD-PE, Hole Size 1.70-1.78″ x Metal Thickness .02-.16″ Plugging Holes, Auto Body, Tanks, Refrigeration Units
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