Compatibility: These contact tips are perfect replacements for Century FC90,for Flux Welder, for Titanium easy-flux and Flux Core Welder or equivalents. Optimized Design: The nozzle's design enhances precision and minimizes spatter, ensuring clean, high-quality welds.These nozzles also easier to see where and how you're welding. Durability: Crafted from high-quality materials, it withstands high temperatures and prolonged use, minimizing replacements. yet robust, it enhances welding efficiency. Please carefully check the part dimensions in the diagram to they fit your welder. Specification: (0.9) Colour:Photo Color Material:brass Package Contents: 1 x Gasless Nozzles kit 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.