Hobart 300199 DP-3035 Direct Plug-In Spool Guns For Use With Handler 210 MIG Welder Great for Aluminum MIG Welding with the Handler 210 Available in an economical 10 ft version or in a 20 ft version that provides extended reach. Usable on 16 gauge (1.6 mm) up to 1/4 in (6.3 mm) aluminum with the Handler 210.