The Bernard® BTB 400 amp air-cooled MIG gun includes Centerfire™ consumables for 1/16" (1.6 mm) wire and a Universal Conventional Liner. Bernard® BTB MIG Guns deliver industrial-grade performance and reliability in the most demanding and abusive environments. This model features a comfortable, durable B Series curved handle with a standard trigger and a rotatable, medium 45 degree aluminum armored neck to optimize weld access and welder comfort. The internal cable connections optimize conductivity, reduce heat and increase gun life. The Hytrel® Polymer Cable is 15 feet long and has a Miller® power pin.