Hobart 500554R 190 Reconditioned A-Stock Handler 7 voltage selections, enhanced magnetics and infinite wire feed speed control offers easier fine control of the output parameters Spool gun control circuitry is built-in to the Handler 190 for the optional Spool Runner 100 direct plug-in spool gun Built-in contactor eases use and is an excellent safety feature which makes wire electrically "cold" when not welding Dual groove drive rolls make it easy to switch from one wire size to another. One knurled groove and one smooth groove for 0.030-0.035 wire 68-Pound (31 kg)