•Tests compression on all major model vehicle platforms, domestic & foreign with gasoline engines,including mini engines • Quick coupler connection on gauge assembly for fast &easy changing of hose &adapter assemblies • 2-1/2”gauge has dual scale dial with ranges from 0-300 psi and 0-21 BAR • Easy push-button deflator for fast service • Rubber gauge boot for added protection • Includes: • 24” hose assembly with quick coupler • M14 hose adapter with short thread • M14 hose adapter with long thread • M12 x M16 hose adapter • M10 adapter with short thread • M14 adapter extension • Small engine tester • Instructions &labeling that clearly identifies each product • Molded storage case