Sinus Cannula Suction Tube 2.5mm Dental Cannula Sinus Suction Tube 2.5mm Surgical 6″ Implant Instruments Manufactured for Optimal results and Precision. Dental Cannula Sinus Suction Tube: 2.5 millimeter outside diameter. 6 inches long. Tubes are used to suction away debris and liquid from a wound during surgical procedures. Used for precision suction in the oral cavity. Used to clean out bone or tooth fragments from the tip. Premium AISI 420 German Stainless Steel with Superior Craftsmanship. Non Slip Grip Premium Quality Handle. Polish to high Standard Finish. Fully guaranteed against defect in material and workmanship. Manufactured from High Quality Medical Grade Stainless Steel. High Degree of Precision and Flexibility while conducting the Clinical Procedure. High Degree of Aesthetic and Corrosion Resistance.