Draper Short Reach Adaptor For Petrol Engine Compression Testers - 65mm - 02150

Expert Quality, brass adaptor with an internal thread size of 14x1.25mm and external thread sizes of 10x1.00mm and 12x1.25mm. Converts conventional petrol compression testers to be compatible with M10 and M12 threaded spark plugs, commonly found on BMW's, MINI's, Alfa Romeo's and Jaguar vehicles.