AP Universal Developing Tank Spare Spiral (Classic) - Film Developing Reel for 35mm & 120 Cameras - Perfect for Darkroom Photography & Film Processing

This AP Universal Developing Tank Spare Spiral is of the Classic design, and fits most developing tanks. It is a self-fed spiral, so once the film is properly located, by simply twisting the spiral your film is fed correctly into the spiral.

• The spiral can be extended to fit a number of different film sizes.