High intensity flame with multi-applications of brazing, solder and heating. Regulated valve helps ensure consistent flame despite angle of operation or temperature. Lock button to keep torch lit. Discovery CON, NBR, SUP. Variable flame control knob. Works with Mapp gas which burns 33% faster than propane gas. Cast aluminium body. Instant on/off start button. Self-Lighting Torch. Brass adjustable flame control knob. Ergonomic handle for comfort.