Miller Spoolmatic FasTip 206186 MIG Gun Consumable, Contact Tip, Style: Roughneck, 5/16 Inch Outer Diameter, Copper, Tip Size: 0.041 Inch, Wire Size: 0.040 Inch, Amperage: 30 amp, Series: Roughneck, For Type/Brand/Model: Spoolmatic And XR Pistol Grip Gun