Derby DD115-12S is a professional WHO Periodontal Probe specialized, calibrated clinical diagnostic tool used by dental professionals to measure pocket depths, evaluate gingival health, and check for periodontal diseases. Key Product Specifications: - Instrument Type: CP12S / WHO (World Health Organization) Periodontal Probe. - Calibration Markings: Features specific measurement intervals at 3.5, 5.5, 8.5, and 11.5 mm. - Material: Manufactured using high-quality surgical-grade stainless steel. - Maintenance: Fully autoclavable and steam sterilizable up to 134°C. - Ergonomics: Equipped with smooth, easy-to-clean ergonomic handles.