Erasable ink 0.5mm ballpoint pens, blue, set of 10. - Brand: PILOT - Model Name: FRIXION BALL KNOCK - Size: 0.5mm - Color: Blue - Quantity: Set of 10 I also have other colors of Frixion pens for sale. I am also selling stationery. If you buy multiple items, I will discount them by 200 yen, so please take a look. These have been stored at home for a long time, so I would appreciate your understanding. We cannot accept any claims or returns after the product has been shipped. Thank you for your understanding. Thank you for looking. #ErasableBallpointPen #GelInk #Frixion Thank you for looking.