The Metaljet is a heavy duty torch with Automatic Piezo ignition.The trigger function helps to avoid wasting gas.The system is compatible with interchangeable burners and includes anti-flare technology which enables the torch to operate in 360 degrees. Designed for use with Ultramapp but also suitable for use with Propane. This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov -