BPilot Fine Marker for Projector, Erasable Ink with Plastic Eraser, Red (SC-OHF-R) ReviewbP PP Pilot Fine Marker for Projector, Erasable Ink with Plastic Eraser, Red (SC-OHF-R) PIdeal for marking or writing on overhead projection slides and transparency filmsPFine PointPRemoves easily with damp clothPGreat for crafts, graphic arts, photography, lab work or print shop.