Spot Weld nozzle for models 492, 494, 810, 848, 850, 852, 812, 816. Also fits othe brands such as Astro Combi 155, Marquette M12190 M12204 M12205 M12209 M12211. Allows easy spot welds on sheet metal. Works best when a pilot hole is drilled through top piece. Holds pieces together for close fit as you weld. |