GraLab Model 300 Electro-Mechanical Darkroom Timer - 120V/60/Hz Countryman E6CLIPB1 8 mil thick and has

8 mil thick and has a rated opacity of 98%

UPC: 065030783101

You don't want to be stuck with a mousepad that is constantly sliding around your desk

Fits Hasselblad CF 38mm

and allows for quick and easy orientation

GraLab Model 300 Electro-Mechanical Darkroom Timer - 120V/60/Hz Countryman E6CLIPB1 8 mil thick and hasEven in total darkness you can read the minutes and seconds on GraLab's Model 300 Darkroom Timer. It is used in industrial commercial photo labs, graphic arts, printing, hobbyist darkrooms and is probably the most popular darkroom timer of all time. Set by seconds, minutes or a combination of the two, GraLab's exclusive dual cam system gives you exact timing over long intervals. Two, three wire receptacles can control an enlarger or printer and