[PREMIUM MATERIAL]Made of fantastic metal with vast rust-resistant and anti-leaking performance. The hose is fabricated from rubber,good stress resistance, safe to apply of the package are manufactured from corrosion-resistant steel that isn't put on out or rust over time, and anti-leaking design that may be safer for you. [BULLET PIERCING VALVE KITS]BPV-31 Refrigerator Tap Valve Compatible with 1/4 Inch, 5/16 Inch, 3/8 Inch Outside Diameter Pipes, Replace for AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31,A smart equipment and useful for you to use,Each package adding 1 piercing valve, 1 hex key, 2 adapters. [RH R134a Self-Sealing Adapter]Through the r134a self-sealing adapter, the r134a can faucet off the refrigerator charging hose can compatible with r134a self-sealing cans. Male to connect the r134a can tap, the feminine to attach self-sealing cans. [REFRIGERATOR FREON RECHARGE HOSE WITH GUAGE]One side of the refrigerant charging hose is piercing r134a can tap to straight connect puncture refrigerant cans, the other side is 1/4 SAE feminine port to connect refrigerator male port. And the colored dials with Fahrenheit gauge has scale readings for R134/R12/R22 because the gauge show. [WIDELY APPLICATION]This recharge refrigerator equipment assuredly used for domestic air situation refrigerant strategies with R-134a R-12 R-22 kinds freon. With the r134a self sealing adapter, this fridge freon recharge package can compitable with not only piercing r134a cans but besides self sealing cans. Maximize in your desires as much as possible. Colour: blue+silver Material: rubber+metal Package Contents: 1 * r134a freon recharge hose with guage 2 * bpv-31 bullet piercing tap valve 1 * RH r134a self-sealing adapter Only the above kit content, different products are usually not included. Note: Light shooting and assorted exhibits can cause the colour of the article in the photo a little various from the real thing. The dimension allowed error is +/- 1-3cm.