> One of my first products to market, the "Berkeley Microcomputer > FlipJig", > was a plexiglass "pocket" with holes, for marking diskettes for > punching > the extra holes. > The "deluxe" model had a stub spindle on the outside and a ring, for > putting on hub reinforcers. >
I guess this is not the deluxe model? https://www.computerhistory.it/images/stories/storia/supporti/8inch_puncher. jpg
