F5S - PEN. Small Razertip Sharp Spear Tip Pen - standard.
Small Sharp Spear - Standard Pen
Knife like skew for extremely crisp cuts. Burns fine straight lines or lazy/tighter curves. Can use toe of skew for miniature work, short lines and curves. Use the flat of the blade for long, straight lines. Tip can be inverted and toe used for fine stippling. Standard F5S is thinner less robust than the HD5M tip.
The tip is welded to the pen body providing great conduction and durability.