Profax® Platinum® PX17ST-35 MIG Gun Consumable, Recessed Tapered Contact Tip, Style: Threaded, 3/8 Inch Outer Diameter x 1.35 Inch Length, Connection: M8 x 1.25, Tip Size: 0.044 Inch, Wire Size: 0.035 Inch, Amperage: 450 amp, For Type/Brand/Model: Heavy-Duty MIG Gun