The Ultratorch Model UT-100Si from Master Appliance is a professional quality, self-igniting, refillable, butane gas-powered soldering iron & flameless heat tool. It is ideal for use with today's lead-free solder. It features oxygen-free, copper-based Ultratip soldering tips, with thick iron and chrome plating for long life and high thermal conductivity. It is butane powered for complete portability. Other features include self-ignition with push button for fast, easy starting; adjustable temperature control; and built-in window to indicate fuel level. For more information visit www.masterappliance.com or email email@example.com.