For soldering bus bars, lugs, starter and alternator leads, battery cables and similar electrical work Components: 105B2 - 1,100 Watt Resistance Soldering Power Unit 10513A - Panel Attachement for 1,100 Watt Power Unit 10519 - Footswitch Specifications: 1,100W (5.8VAC) Power Unit with 23 Unique Output Settings, Lighted Rocker, 10 AMP Circuit Protection & Heavy-duty Aluminum Case, 110V. Panel Attachment fixes directly to power unit, bring work to unit. Includes 1/4" and 3/8" diameter copper clad carbon electrodes and two required Adapter Bushings. Rugged, Industrial Footswitch with 6 foot (1.83m), three-wire cord and NEMA 5-15 P/R piggyback plug.