This Steel Liner is expertly crafted to perfectly match Miller Millermatic M-series (M-10, M-15, M-25, M-150) and Hobart H-series (H-9, H-10) MIG welding guns, ensuring seamless compatibility for wire sizes 0.030", 0.035", and 0.045". This liner guarantees a continuous and smooth wire feeding process, thanks to its streamlined design that simplifies setup and delivers precise wire placement without hassle. Engineered for improved wire control and reduced friction, it enhances welding performance while minimizing wear. Purpose-built to withstand the rigorous demands of professional welding environments, the Liner is a reliable choice for welders seeking durability and efficiency.