[R134A CAN TAP] Two R134a can taps were equipped with piercing and self sealing style which help to compatible with all R134a cans. They both are made of quality brass, which has good durability and anti-rust, T handle for easy fingertip control, thickening seals to prevent leaking. [R134a Recharge Hose]AC charge hose kit with gauge for R134A R12 R22 or R502 refrigerant to vehicle or home air-conditioning, extra and colored dials with fahrenheit scale is easy to read, gauge rated 350psi max pressure, hose rated 3000 psi pressure and 600 psi max working pressure. [ Piercing Valve]BPV-31 piercing tap valve, replace part No.: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31; compatible with 1/4 inch, 5/16 inch, 3/8 inch outside diameter pipes. piercing tap valve is made of corrosion-resistant metal that ' t wear out or rust over time. [Refrigerant Adapter]6014 vacuum pump adapter 1/4 Female to 1/2 Male, 6015 R134A refrigerant tank adapter 1/2 Female to 1/4 Male , R134A low side quick coupler, suitable for charging and service tools. Colour: as shown Material: Rubber+Metal Package Contents: 1 x Refrigerator refrigerant charging hose with pressure gauge 1 x R134A quick connector 2 sets x BVP-31 piercing tap valves 1 x r134a adapter 1 x core remover 2 x converters Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.