... is workable to add on the body 4. high quality Mini tire gauge with key-chainSize: approx.3.5" x 3 ... barPressure range: 10-50psiscales selection (bar, Kpa, Kg/cm2, psi)SCALE UNIT CONVERSION TABLE 1 BAR=100KPA EQUAL TOPSI(LB/IN2 ... gas mileagelonger tire lifeimproved handlingincreased safety Hot selling, pencil type, mini tire pressure gauge, top quality, auto accessory, SMT1302