Brass Donut Bails, Red CopperSize: about 17.5mm long, 12mm wide, hole: 1.5mm. Inner part (place for donut) : about 12.2mm long, 5mm thick. Tip for Fitting: Ensure your donut is not thick than 5mm, with center hole size larger than 3mm, and donut width not larger than 12.2mm.
