Set-up Tray Flat Size B (Ritter) - Green, Plastic, 13 3/8" x 9 5/8" x 7/8". Enhance your dental practice with Set-Up Plastic Flat Trays, #B, in Green. These versatile trays are essential for organizing instruments and materials, providing a spacious, non-slip surface to keep everything secure during procedures.Their easy-to-clean design supports hygiene, making them perfect for various dental applications. Durable and economical, they simplify your workflow and maintain efficiency in treatments.