Attributes . Adjustable Temperature Controlled, Built-in Fuel Filter for Consistent Fuel Ignition, Built-in Window Indicates Fuel Level, Lighter in Weight Making it Easy to Hold and Use Over Extended Periods of Time, Ultratip is the Long Lasting, Oxygen Free, Copper Based, Iron and Chrome Plated Soldering Tip With a Built in Catalyst, Tinned With Lead Free Solder . Names