BGS 9669 Compression Tester Kit for Petrol Engines

For compression measurements with adapter hose or rubber cone measuring tube Spark plug thread adaptor: M10x1.0 - M12x1.25 - M14x1.25 - M18x1.5 Analogue pressure gauge Pressure clock scale: 0-300 psi / 0-2000 kpa (0-20 bar) With pressure relief valve Box contents: pressure gauge with quick coupling and pressure relief valve, connection hose with quick coupling, compression test tube, straight, compression test tube, angled, spark plug thread adapter M18 x 1.5, spark plug thread adapter M14 x 1.25, spark plug thread adapter M12 x 1.25, spark plug thread adapter M10. x 1.0