Used with the regular and short length Densah burs for vertical depth control. Features: - 11.5 mm Drilling depth for the regular length Densah burs. - 6.5 mm Drilling depth for the short Densah burs. - Compatible with small C-Guide sleeve. - Optimized to allow copious irrigation to the Densah burs. - Used for implant diameters up to 3.25 mm. - G-stop key outside diameter: 4.2 mm. **For further product information, please contact Chat Support**