Model 63 Portawelder with 500 watt 120 volt element, round tip, tacking tip, tray, compressor, carrying case and welder guide book. Also great for first time users and small repair jobs. A benefit to this welder is that it can be taken to jobsites. Specifications: Nylon handle and all S.S. construction with double-wall, insulated heating chamber. 20' electric cord, 3-wire grounded circuit inside neoprene air supply tubing. Self-relieving air gauge 200 lb. psi primary to 0-15 lb. psi regulation. Approx. 3-1/2 to 5 lbs. of air or gas is needed for 400 and 500 watt elements, and 6 to 8 lbs. for 650 watt elements. Do not weld thinner than 1/16". For plastic welders use nitrogen gas to weld polyethylene and polypropylene; compressed air for PVC, CPVC and ABS.