ISO 6896:1984, Cinematography -- Intermittent sprockets for 35 mm motion-picture projectors -- Dimensions
ISO 3644:1976, Cinematography -- Spindles for 8 mm Type R motion-picture cameras and projectors -- Dimensions
ISO 3653:1978, Cinematography -- Spindles for 8 mm Type S motion-picture projector reels/spools -- Dimensions
ISO 3647:1976, Cinematography -- Spindles for 16 mm motion- picture camera spools and projector reels -- Dimensions