Lang Tools TU-1 Deluxe Vacuum and Fuel Pump Tester Set comes complete with 2 feet of high quality hose, plus 3 fittings to test all domestic and foreign cars and trucks with gasoline engines Hook on gauge enables the technician to hang up the gauge and hose assembly allowing for hands free use 3-1/2" compound gauge has multicolor dual scale dial with ranges from 0-10 PSI/ 0-0.7 kg/cm/cm2 pressure; and 0-28 inHg/ 0-70 cmHg vacuum