·Quick disconnect coupler separates hose from gauge allowing faster, easier connections to the engine

·Push-button side release valve allows repeated testing without disconnecting

·14mm,18mmand 14mm long reach adapters included

·Easy-to read 2-1/2"gauge

·Bourdon tube movement forac curate readings

·Standard and metric scales:0-300 lbs per sq in 0-2100 kilopascals

·Illstrated instructions included