[R134A CHARGING HOSE] R134a charging hose is 19.68 inches with 2.75 inches conditioning gauge, R-134a can to R-12/R-22 service port connection, 1/4 inch end fits R12, 22, 502 fittings. And the gauge has scale readings for R134, R12 and 22. [BPV31 PIERCING VALVE] BPV31 piercing valve (no part number) for HVAC system, 3 in 1 line tap piercing valve, fits 3 tubing sizes: 1/4", 5/16" and 3/8". [ADAPTER] 1/4 to 1/4 adapter with valve core, 1/4" male 5/16" female fits mini split system air conditioners, HVAC and refrigeration. [PREMIUM QUALITY] The replacement part is made of high quality durable material. Color: Blue, Copper Color Material: Plastic, Metal Package Contents: 1 * R134a Hose 1 * BPV31 Puncture Valve 1 * R134a Low Side Quick Connector 1 * 1/4 to 1/4 Adapter 1 * 1/4 Male 5/16 Female Adapter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item a little different from the real thing. The measurement allowed error is +/- 1-3cm.