Features: The 25mm 15ak coated contact tip offers superior control and flexibility for various welding tasks, thanks to its optimally length and specializing coating that enhances wear resistance and corrosion protections. Designing with a focusd on heat dissipation, this contact tip help reduce working temperatures, ensuring stability and safety during welding and spots welding operations. For professional welders and DIYer enthusiasts alike, this contact tip is for a wide ranges of welding equipment and systems, making it various for different users. Perfect for various welding scenario, from industrial setting to home workshops, this contact tip supports multiple welding method, enhancing your operational efficiency. Its user friendly designs allows for easy installation, removal, and replacement, simplifying routine maintenance and ensuring your welding projects proceed smoothly. Specifications: Component:Metal Length:Approx.25mm/0.98inch Diameter: apertures 0.8mm/1.0mm/1.2mm Package Includes: 5pcs 25mm Coated Conductive Nozzles note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.