What sizes does the Great Gums Brush come in? December 12, 2024 17:45 Updated Our Great Gums Brush is available in size 0 and size 2. In diameter, size 0 is less than 0.6 mm, size 2 is 0.9 - 1.0 mm. Related to interdental brush great gums brush Related articles How often should I replace my Great Gums Brush? What are the Great Gums Brushes made of? What makes the Great Gums Brush better? How much does shipping cost? Is my Great Gums Brush recyclable?