... head,metal body,2 side plastic bar 4.spray-paint Helmet tire gauge·Zinc head, metal tube, spray-paint tube and ... 10-100 psiTip: Scales selection (bar, Kpa, Kg/cm2, psi)SCALE UNIT CONVERSION TABLE 1 BAR=100KPA EQUAL TOPSI(LB/IN2 ... gauge.Dropping or severe jarring may impair accuracy of gauge. helmet tire gauge