AGS Brake Line Fitting Gauge for ISO/Metric threads is an accurate and easy-to-use thread checker for the most common thread sizes found in automotive braking systems and includes special sizes not found in typical hardware store thread gauges. Includes sizes: M9 X 1.0, M10 X 1.0, M11 X 1.5, M12 X 1.0, M12 X 1.5, M13 X 1.0, M13 X 1.5, M14 X 1.5, M16 X 1.5. Conveniently assembled onto a wire loop, it is especially well suited for distinguishing between similar inch and metric threads. This tool is a great addition for Auto, Motorcycle, Marine, ATV or RV Repair Shops. Features – Each size has a male and female end checker on the same gauge. – Thread sizes are permanently and clearly stamped onto each gauge. Metric gauges are black oxide finish. A wire cable with plastic coated loop at each end provides convenient hanging in any location. – Each gauge rotates freely on the wire cable for quick and easy thread verification. AGS also offers the Brake Line Fitting Gauge in SAE/Inch version.