Pencil Tire Pressure Gauges Metal head and body in various colors with 4-side plastic bar. Zinc alloyed head or plastic head. Pencil Tire Pressure Gauges1. FEATURES1) Scales selection:psi,kpa,kg/cm2 or lbs2) Pressure range selectiom:10-50psi,10-100psi or 10-120 psi3) Zinc alloyed head or plastic head with chrome plated4) Copper tube,plastic tube with chrome plated or colorful aluminum tube2. ...