Features High quality R1234YF refrigerant charging hose with pressure gauge with strong construction. Finished with R1234YF self-sealing refrigerant can opener tap dispensing valve. Push lock coupler with automatic shut off. For use in adding R1234YF refrigerant to vehicle air conditioning with high working efficiency .Easy and convenient to use. Come with a gauge for easy viewing during use and obtaining proper charging Specifications: Hose: Rated Working Pressure: 3000 psi burst/600 psi Max. Working Pressure. C/in 1 Pc 2 inch (5 cm) Pressure Gauge. Can Opener: Thread: Female 1/2" ACME LHS Quick Connector: Female R1234YF 14mm Quick Connector Note: This one can only be used on self-sealing R-1234YF refrigerant cans with 1/2" ACME LH thread, or cannot be used on punch-through style cans. Package includes 1 pack x R1234yf self-sealing refrigerant supply hose.