Dial gauge,dchrome-plated zinc body 10-20lbs blue for inflat,20-40lbs gree for auto 40-84lbs orange for bicycle 84-100lb red Dial tire gauge, dial gauge, tyre pressure gauge,chrome-plated zinc body10-20lbs blue for inflat,20-40lbs gree for auto40-84lbs orange for bicycle84-100lbs red for trucks.Calibrated:10-100 lbsScales selection (bar,Kpa,Kg/cm2,psi) deluxe dial tire gauge