- Laser markings: 3,5-5,5-8,5-11,5. - Color coding: between 3.5-5.5mm. - Periodontal probes are used to locate, measure and mark pockets. - Determine their course on individual tooth surface. - The typical probe is a tapered, rod-like instrument calibrated in millimeters. - With a blunt rounded tip. **For further product information, please contact Chat Support**