Fits only Weller 100 watt Irons
Available in 700 or 800 degrees and 1/8", 3/16", 1/4" or 3/8" tip widths.
The tip that is most commonly used for copper foil work is the 1/4" tip at 700°.
The tip that is included with the Weller 100 is the 3/8" tip at 700° which is ideal for lead came work.