Thank you for viewing. Matsukiyo Interdental Brush L-shaped Size S, 8 pieces Please consider this item, understanding it has been stored at home. [Product Description] Long handle that reaches firmly between the back teeth. Minimum passage diameter: 1.0mm. Removes plaque between teeth that is difficult to remove with a toothbrush. The L-shaped long handle allows for thorough care of the interdental spaces of the back teeth.