PILOT HERFSS-10 replacement erasers, pack of 5. These are likely replacement erasers for the Dr. Grip Ace. Compatible model numbers: HERFSS-10 Type: Replacement eraser Quantity: 5 packs Related product: Dr. Grip Ace Selling price: 110 yen per pack I purchased these, but they were the wrong size and I couldn't use them, so I'm selling them. *One pack out of the five has been opened, but the contents have not been used. Please double-check the model number and compatible size to be sure.