High-quality Center Column and Agitator Kit designed for Universal 35mm 2 Reel Tanks Durable and sturdy construction from robust plastic for long-term use Center column ensures secure film positioning and light protection during development Functional agitator designed for non-inversion style agitation for uniform results Perfectly compatible with Universal 35mm 2 Reel Tanks for seamless integration Reliable and essential tool for both amateur and professional photographers in film processing