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Quantity
1
These single flare plugs come in pairs and have a wearable area of 8mm - 9mm, which can be adjusted with the included "O" ring. Made of blue glow in the dark glass, these plugs come in a variety of sizes ranging from 8G (3mm) to 1/2" (12mm)...
Reviews
4.7
29 ratings
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Absolutely LOVE these guages. I lost one of the pair that I had been wearing for years, and I just had to get a replacement. Of course, I literally found the one that I had lost immediately after I put these in!!! I constantly get compliments on them, then I blow their mind when I tell them that they're glass AND they glow in the dark. I have a few other sets of guages, really nice ones, but these are the only ones that feel.... right. Best purchase ever!!!!
Bixley · March 15, 2026
Soft glow
Perfect size and fit. Love the color but the glow part takes a lot to charge up. Still very happy with them though!