Hey there! If you're tired of dealing with messy openings in tubes, bottles, or threaded holes, these reusable rubber plugs are total game-changers. They fit perfectly in 8-10mm ID holes (that's about 11/32\ to 3/8\ for my imperial measurement folks). The ribbed design isn't just for looks - it creates an awesome seal that won't leak or pop out under low pressure. Just push and twist, and you're good to go! These bad boys can handle some serious heat too - we're talking up to 400°F/200°C, so they're perfect for powder coating, painting, Cerakote, anodizing, plating, media blasting, and all sorts of surface treatments. The silicone rubber material means no color transfer, no weird smells, and no dissolved matter contaminating your work. They even stand up to boiling, steam, UV light, alcohol immersion, and autoclave sterilization. Each plug measures about 1\ long (25mm) with a big OD of 0.394\ (10mm) and small OD of 0.315\ (8mm). With 20 in a pack, you'll have plenty for multiple projects or replacements. Seriously, whether you're a DIY enthusiast or a pro, these plugs will make your life so much easier when you need to seal up openings temporarily or during processing. They're the kind of simple tool you never knew you needed until you try them!
Free 30-day returns 
Free 30-day returns
