Accurately diagnose your engine's compression issues with the Compression Test Gauge, featuring a robust 100 PSI maximum pressure rating. This versatile tool is equipped with a convenient pressure release button and includes fittings to suit a variety of vehicle models, including motorcycles and passenger vehicles with gasoline engines. Crafted in the United States, the unit is a single quantity, solidly constructed to withstand the rigors of routine use in both professional and home garages. Note that this tool comes with no warranty and is subject to a California Prop 65 warning.