BernzOmatic® Trigger-start professional torch. Cast aluminium construction provides added durability. Instant on/off trigger increases fuel savings and convenience. Lock button keeps torch lit for finger-free use. Replaceable brass tip. Burn tip produces swirl flame for maximum heat output. Pressure regulated to burn in all directions. Efficient swirl flame provides high heat output. Designed for heavy duty jobs using Map-Pro or propane fuel. In addition to light duty tasks, professional torches provide higher heat output for applications like brazing and hard soldering. Professional torches feature swirl flame technology that mixes fuel to burn more efficiently in the primary flame creating higher working temperatures which completes the job faster.