Overall Rating: 5.00 from 1 reviews.

rating title date name city state/province country
Staedler Lumocolor 319 F-2 (5/5) Dec 8, 2007 Richard Powell Walnut Creek CA
  This pen writes on anything! We use it to make marks on eyeglass lenses that have a special Teflon-like slippery coating, and it is the only pen I've seen work so well!