Yasutomo quad made in Japan
3 ink colors Pens (Red, Blue Black) (or Highlighter or Stylus) and automatic pencil all in one barrel
Same Size as a regular pen
.05 pencil (wish it was .07)
Refills available in medium and fine point
Pencil and eraser refills available
Last one I got was $19.99 off ebay...
CommanderT's Pen of Choice:
Aluminum case construction. Solid Holding. I have used it now for years.
LEDs at tip provide enough light for reading, make notes, even write a novel.
1 x AAA Lithium Battery
Push Button Switch LED [ON] / [OFF] Rotating cap retracts ink cartridge
[1] common AAA cell Over 20 hours of operation per battery. Dual LEDs rated at 100,000 lifetime hours.
Extras with aluminum pen:
One blue ink cartridge and one black ink cartridge.
Two [RED] + [GREEN] color lens to preserve night vision.
End of description.
It has served me well and continues to do so moving forward 2014.
CommanderTony