OFK-1 Optical Comparator Fixture KitThis modular fixture system for optical comparators is the first of its kind. The kit is economical and very functional, allowing a great variety of part staging fixtures to be built. The system can mimic traditional fixtures like V blocks, vises and centers. It also allows the user to create an infinite variety of fixtures to stage parts that are not easily held by traditional fixtures. The base and vertical risers include laser engraved reference