Hot Max 23024 .035-Inch Welder Contact Tips, Hobart Style, 250A, 5-Pack MIG Welder Contact Tips are .035 Inch (.9 MM) Hobart Style compatible contact tips work with most Hobart/Miller MIG welders Rated for machines up to 250 Amps, tips are 1-1/8" in length Precision copper contact tips for professional use Compare to Hobart 770180 contact tips