LONGEVITY Migweld 250p 250 Amp Pulse Mig Welder With Spool Gun Capability 250 amp pulse mig/stick welder on wheels Powerful 250 amp power enables thick metal welding Gas bottle ready and easily mobile because of wheels Weld with gas or without. Pulse can be turned on or off depending on welder's preference Digital displays allow for fine tuning of the welder in both pulse and standard modes