This Sealey Petrol Engine Compression Test Kit features a large, easy-to-read gauge with both Metric and Imperial readings. It includes a side release valve and a 12-inch flexible hose for easy access. The pressure range is 0-300psi/0-2000kpa. The kit comes with screw-in 14mm and 18mm adaptors, along with a 150mm rigid stem cone adaptor designed to fit most spark plug holes. All components are supplied in a convenient storage case. The kit has a 1-year guarantee and model number CT951.