Fiberglass Polishing Pen 4x1 mm

This is the perfect item to get the super fine finish you are looking for! It looks like a hobby knife, but what it holds inside is so much more. This pen is loaded with a 4mm wide polishing stone that allows you to get a great finish on any model you are working on. Don't waste your time measuring out sandpaper each time. Just grab this pen, give it a twist, and let it handle all your filing needs for you!