Durable: Welding torch nozzle is made of copper and brass, high strength and hardness, strong electrical conductivity, rugged and durable. Welding Torch Accessories: Contact tip is a metal part installed on the welding torch, which can guide the current to the arc zone more stably, enhance the stability of the welding process, improve the ability of conducting current, make the welding process more smooth and improve the working efficiency. Embedded Design: Conductive nozzle with buckle design, easy to lock in place, reducing friction and drag. Widely Applicable: Suitable for MIG equipment with AK15 / MB-15 welding torches from all other manufacturers. The wearing parts are easy to install on the burner without special tools. colour: silver + gold Material: brass Size: 1 MM Package Contents: 4 x Nozzles 10 x Contact Tips 10 x Tip Holder 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.