Good sealing performance, no air leakage when connected with the cylinder, more convenient to use.Mainly used for the thread adapter of the machine cylinder, and can also be used as the air source switch.Made of highquality materials, high hardness, and wearresistant, long service life.The thread is tight, superb technology, stable performance, and the installation and use is simple.Color: GoldMaterial: copperPackage Contents:1X Thread Converts Adapter Female Tr214 to Male Tr213Only the above package content, other products are not included.Note: Light reflection 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 +13cm.