Set-up Tray Flat Size B (Ritter) - Coral, Plastic, 13-3/8" X 9-5/8" X 7/8". The HSB - House Brand Dentistry Set-Up Plastic Flat Trays are an essential accessory for dental practices seeking to optimize their organization and setup. Designed for durability and functionality, these trays are perfect for holding and arranging dental instruments and supplies.Made from high-quality materials, they offer a reliable solution for practitioners looking to streamline their workflow while ensuring easy access to essential tools. Each pack contains one tray, making it an ideal choice for targeted use in various procedures.