Colorline Hexa Bolt Screw-Fit Ear Gauge Tunnel Plug - 1/2" (12.5mm) - Black - Sold as a Pair Go to amazon.com Related posts Top 8 recommendation chainring bolts 12.5mm 2022 FeatureSize: 1/2" (12.5mm)Color: BlackSold as a PairSatisfaction Guaranteed DescriptionColorline Hexa Bolt Screw-Fit Ear Gauge Tunnel Plug - 1/2" (12.5mm) - Black - Sold as a Pair