LN-25 PRO series wire feeders are designed to be simple, reliable and easy to service. Whether you are an ironworker, pipeline welder, or weld at a construction site, shipbuilding facility or metal fabrication shop, we have the right semiautomatic wire feeder for you.· Maxtrac® Wire Drive System - Heavy-duty cast aluminum wire drive system provides reliable feeding and durability. · Dual Range Wire Feed Speed - Delivers greater precision at low end wire feed speeds. · Trigger Interlock Switch - Provides operator comfort for long welds. · Replaceable and Flame Resistant Case - Rugged and durable case can be replaced in less than five minutes.· Potted PC Boards - For moisture and corrosion protection.