The Multiple Slide Cutter for 35mm/120 Film from Dot Line is an easy to use and very functional way to assure you get even, accurate film trimming when you need it. The unit is clearly marked for 35mm, 6x4.5, 6x6 and 6x7 formats. Your uncut film roll is easily threaded into the machine and advanced frame-by-frame using a built-in thumb wheel. The unit is translucent for easy viewing on a light table. The cutting blade is straight and activated by simple press action.