Description: 【Compatibility】Designed for 1509 and for developing tanks, this manual rolling rack offers broad compatibility with various film processing tanks, meeting the needs of different users for easy film development 【Durability】Crafted from quality plastic, rack is sturdy and resistant to damage from developer solutions and other photographic , ensuring reliable long term use 【Ease of Use】The manual rolling mechanism allows for smooth operating; simply rotate rack gently to evenly distribute developer liquid across your film, enhancing development results with minimal effort 【Space Saving】Featuring a compact design (13.7 x 9 x 3.6 cm), this rack is ideal for home or small studio setups, making efficient use of limited space during both use and storage 【Enhanced Quality】Uniform liquid flow and rotation minimize bubbles and sediment during processing, resulting in good image clear and detail on your developed negatives Specification: Material: Plastic Size Chart: 13.7cmx9cmx3.6cm/5.39inchx3.54inchx1.42inch Package Includes: 1 Developing Tank Roller Base Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.