Car Auto AC Air Conditioning R134A Refrigerant Recharge Measuring Hose with Pressure Gauge Features: - The outer circle is the recharge kilogram: unit KG/CM2, the middle circle is the recharge pressure: unit PSI, and the inner circle is the temperature; - For use in adding R134A R12 R22 refrigerant to vehicle with highly working performance. - Easy and convenient to use: come with gauge for easily viewing during use. Specifications: Gross weight: 550 g Size: 1000 x 100 x 30 mm/39.4 x 3.94 x 1.18" Material: all copper Pressure gauge kg: -76~17.5kg/cm2 Recharge pressure: -30~250Psi