Aluminum Welding Kit 0.035 in (0.9 mm) combines our Magnum 100L gun liner, drive roll, guides and contact tips with a 1 lb. spool of SuperGlaze 4043 aluminum MIG wire. The Magnum 100L welding gun is a lightweight, abrasion-resistant gun that features a classic curved handle and modular trigger assembly to ensure a comfortable grip and long service. SuperGlaze 4043 is commonly used for welding on 6XXX base material applications such as automotive components and bicycle frames.