The Miller Electric MDX Series MIG Guns are designed with operator comfort in mind. These MIG guns feature a durable and ergonomic handle with a rubber overmolding for improved grip, while the addition of a ball and socket handle swivel reduces fatigue. The series includes three models: MDX-100, MDX-250 and MDX-250 EZ-Select. These guns are all compatible with Miller AccuLock MDX Series consumables, and the MDX-250 and MDX-250 EZ-Select guns are also compatible with Bernard AccuLock S consumables.