Neilsen Petrol Engine Compression Tester Kit M10 M12 M14 M18 Garage Car Bike
Compatible with spark plug thread sizes: M10 x 1.0, M12 x 1.25, M14 x 1.25, M18 x 1.5. 4 x Threaded Adaptors: M10 x 1.0, M12 x 1.25, M14 x 1.25, M18 x 1.5. Suitable for all petrol engines (not for diesel use).