[High quality] This quick connector kit is made of high-quality brass and has strong wear resistance. [Quick connection] This quick assembling hose can quickly connect water/gas between the welding torch and the welding plug. [Application] These quick couplings are easy to install and are recommended for installing M6 inner diameter hoses. These connectors are easy to install and convenient to use. Colour: as shown Material: metal Package Contents: 1 set * Gold M6 quick connector set Only 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 +/- 1-3cm.