A durable high power, high temperature (up to 1610o C), Ideal for plumbing, brazing, automotive. Joins & repairs a range of metals., Swirl flame for more even heat distribution, wrapping around the target., Instantly FLARESAFE; use at any angle. Safety checked & test burned. Auto lock on & dead man trigger., Auto Start Piezo Ignition., For use with G2400 Propane or 2450 Map/ Pro Go System gas cylinder.