1.access valve, made of copper and brass 2.high quality and good service,customer size is available 3.FOB price:US$0.10~0.40 access valve, for refrigeration and air conditioning Straight Solder With 2" extended tube and stops204AVX-21/8 OD x 2" copper tube extension204AVX-2R1/8 OD x 2" copper tube extension w/core remover204AVX-33/16 OD x 2" copper tube extension204AVX-3R3/16 OD x 2" copper tube ...