This is a set of 10 point-focus toothbrushes. (Also known as a single-tufted brush) This is a set of 10 medium brushes. These are sold at dental clinics for around 300 yen each. They reach the back teeth and small areas, making them easy to brush. Brand new and unopened. Price is not negotiable. The number of brushes can be changed. If you purchase other items such as point-focus toothbrushes, small toothbrushes, interdental brushes (various sizes), and dental floss together, we will offer a discount, so please feel free to inquire. Please comment if you have any questions or would like more details.