NB:one side is RED as shown

ZEISS IKON (Germany) METAL SPOOL BOBINE  (for double-run 8mm CINE MOVIE FILM) .........worldwide shipping

It would have been used with 16mm wide film. Fits std. 8 regular 8 cine camera.

Good condition, fully usable item (tough & durable). Approx. 52mm diameter, maximum thickness=18mm