This is a 15 foot 400 amp MIG gun assembly set up to run 1/16" wire. This MIG gun has a Miller connection.
This gun direct connects to the following Miller machines:
S21E, S22A, S32, Super 32, Extreme 12VS, and all 50, 60, 72 and 74 series feeders, 8VS and 12VS, R115, Millermatic 300 & 350.