Thank you for viewing. Following the popularity of the Kumon children's triangular pencil, a grip supporter for regular-sized pencils has also been released. It is compatible with pencils with a diameter of 7-8 cm. It is the same for both left and right hands. Discounts are available for bulk purchases. Please see my other products here: ↓ #Kumon related, children's collection Please feel free to comment if you have any questions.