Bernard CenterFireâ„¢ NST-3818B MIG Gun Consumable, Tapered Nozzle Assembly, Style: Small, 13/16 Inch Height x 1.525 Inch Width x 0.935 Inch Depth, 1/8 Inch Recessed, Brass, Tip Size: 3/8 Inch, For Type/Brand/Model: Q Gun/Dura-Flux