PILOT's FIXON BALL is a high-quality Frixion ballpoint pen refill that provides a smooth writing experience. It uses blue ink and is perfect for documents and memos. These are refills for Frixion Ball and Frixion Ball Knock Zone pens. They are metal pipe refills. Retail price: 500 yen each - Brand: PILOT - Product Name: FIXON BALL - Color: Blue - Quantity: 2 refills per pack x 2 packs - Model Number: LFBKRF50F-2L - Made in: Japan - Type: Ballpoint pen refill