34 welding accessories kits: packaging contains 2 flux cores (169-715), 2 gas diffusers (169-716), and 30 contacts (0.035 inches /0.9 mm). One set can be used for various welding machines and a of welding items, and it is enough to replace and use it. Compatibility: The welding tool replacement accessories are compatible with for Millermatic M-100/150 H-9/10 Welder compatibility. Please make sure you choose the right welding kit for your machine. 2 airless nozzles: The airless welding nozzle made of sturdy brass materials can reduce the heat loss of the arc, work in a high temperature environment, and extend the service life. It can prevent the nozzle from loosening and broken, providing you with higher welding performance and experience. 2 pieces of bronze gas diffusers: The standard thread -sized gas diffuser has excellent electrical characteristics and is very suitable for light to medium standard welding applications. The non-slip ring design can be tightly connected to the gas nozzle and will not relax easily. Good conductive performance: The texture of the copper touches the is strong and high-temperature resistant.The tip has good conductivity and can play a good role in welding items. Colour:As Shown Material:copper Package Contents: 1set * welder 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.