General description To check the condition of your engine, you cannot do without this 9-piece compression tester. The gauge has a range of 0-20 Bar / 0-300 Psi and comes with 4 different glow plugs and 2 fixed connections with rubber for quick measurements. Technical specifications Compression tester for: petrol engine Gauge range: 0-20 Bar / 0-300 Psi Hose length: 45 cm Built-in resetter: yes Number of parts: 9 Glow plugs included: 1 x M10 x 1.0 1 x M12 x 1.25 1 x M14 x 1.25 1 x M18 x 1.5 2 x fixed connections with rubber for quick measurements Other information