The Da-Lite 75851 Model C is a manual large format projection screen designed for ceiling or wall mounting in larger rooms. Ideal for both commercial and educational environments, it features permanently lubricated steel ball bearings combined with nylon bushings, ensuring smooth operation over time. The heavy-duty spring assembly provides an easy to use, reliable, and consistent performance, even in demanding applications. This large format screen is perfect for spaces that require easy manual operation and durable, long-lasting functionality. Whether used in conference rooms, classrooms, or auditoriums, the Model C delivers high-quality projection with dependable and effortless screen deployment.The Da-Lite 75851 Model C is a manual large format projection screen designed for ceiling or wall mounting in larger rooms. Ideal for both commercial and educational environments, it features permanently lubricated steel ball bearings combined with nylon bushings, ensuring smooth operation over time. The heavy-duty spring assembly provides an easy to use, reliable, and consistent performance, even in demanding applications. This large format screen is perfect for spaces that require easy manual operation and durable, long-lasting functionality. Whether used in conference rooms, classrooms, or auditoriums, the Model C delivers high-quality projection with dependable and effortless screen deployment.