Features: 1. Made of high quality Copper, with accurate aperture, wear resistance and good conductivity, specially for welding job. 2. This has a welding torch . It has a simple structure and is easy to install. Very convenient to use. Strong operability. 3. For all MIG devices with AK15 / MB-15 welding torch from other manufacturers. Easy assembly of wear parts on the burner, no special tools necessary. 4. Contacts are a new set of commonly used consumables for welding. It is convenient to replace damaged items. Especially for 15AK welding torch. Specification: Material: copper Color: copper Optional size: 0.8mm, 1.0mm Quantity: 42Pcs Total length: 2.8cm / 1.1in Package Contents: 2 x gas nozzle 20 x tip 0.8mm 20 x tip 1.0mm Only the above package content, other products are not included. Note: Light 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.