45V42 - Weldcraft 45V42 Gas Lens for 9/20 Series Torches (.040") - 2 Pack

See the Puddle, Weld the Gap

If you are tired of struggling to see your weld puddle because your cup is in the way, or if you are fighting porosity every time you try to reach into a tight corner, the Weldcraft 45V42 Gas Lens is the upgrade your torch needs. Standard collet bodies are fine for basic work, but they push gas out in a chaotic, turbulent cloud. This gas lens changes the game by using a series of fine screens to smooth out that gas flow into a straight, calm stream. Think of it like the difference between a garden hose on 'mist' versus a smooth, solid stream of water. That smooth stream covers your weld better and keeps the oxygen out, giving you cleaner, shinier welds with less effort.

The biggest real-world benefit for the welder is visibility. Because the gas stream stays together longer, you can stick your tungsten out much further—sometimes twice as far as normal—and still get perfect coverage. This means you can finally see around the nozzle to watch the arc and the puddle clearly. It also allows you to get your tungsten into tight V-grooves or inside corners without the nozzle hitting the workpiece. For anyone welding on stainless steel, you will notice better color and less oxidation immediately.

This kit comes with two gas lenses designed for .040" (1.0mm) tungsten. They are built to fit the popular "small" series torches, including the WP-9 (air-cooled) and the WP-20 (water-cooled). Whether you are working on delicate automotive parts, aerospace components, or just precision bench work, switching to a gas lens is one of the cheapest ways to instantly improve your welding experience. These are genuine Weldcraft parts, so you know the threads will fit perfectly and the screens won't burn out after a few beads. Stop fighting turbulence and start welding with precision.