Attributes . Industrial Cast Aluminum Drive features Dual gear-driven drive rolls for positive traction, Patented split wire guides for optimal wire alignment, Brass-to-Brass gun connections for enhanced connectivity, Large industrial closed-design drive motor for improved torque and trouble-free performance, Spool Gun Ready, No Hassle Tool-less Design for wire spool mounting, wire drive service and polarity changes, Innovative contact tip, drive roll and nozzle storage keeps all your consumables close at hand, Electrically 'cold' electrode . Names