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 What makes the Great Gums Brush better? How often should I replace my Great Gums Brush? Is my Great Gums Brush recyclable? How much does shipping cost? What are the Great Gums Brushes made of?