Gorilla Glass Yellow Color Front Double Flare Plugs (8 gauge 1 inch) 900+ Free Silverback Gorilla & Gorilla Images Pixabay Gorilla Fact Sheet Blog Nature PBS Fun and interesting facts about gorillas you may not know. ONE PAIR of GORILLA GLASS double flare yellow color front plugs. Gorilla Glass is a top of the line glass manufacturer that has a reputation for high quality and perfection in all of their pieces. These plugs can be autoclaved and sterilized. 7 mm wearable area Additional Info: Glass is a hand made material so it can slightly vary in size, color, and shape. All of our glass pieces are guaranteed to be within 1mm of the stated size. If you need an exact measurement or better description of the item, feel free to email us before ordering. Glass is also a fragile material and can break if dropped or not handled correctly.