The Full Compression Kit Tester Pressure Gauge is a versatile diagnostic tool suitable for motorcycles, passenger vehicles, and heavy-duty/commercial vehicles. This 11-piece set includes a black compression tester with multiple measure scales and a pressure release button. The tester is capable of measuring pressure in both Bar and PSI, with a maximum reading of 0-300 psi/0-20 bar. The kit also features five different thread sizes and is made of durable metal and rubber materials. It is compatible with various vehicle types and engine types, making it a practical addition to any garage or workshop. Never used. Was bought as a present and hasn’t been touched since !