Tweco® WeldSkill® 1160-1426 MIG Gun Consumable, Heavy-Duty Contact Tip, Style: Threaded, Connection: M8 x 1.25, Copper, Tip Size: 0.054 Inch, Wire Size: 3/64 Inch, Series: 16S Series, For Type/Brand/Model: MS350/450 And No. 6 MIG Guns