CROSS Refills (Items not eligible for discount) 1. Discontinued Red 8515, new, 1 piece, original price 980 yen 2. Blue 8100, bold, new, 1 piece, discontinued. Cannot be purchased even if you pay 1800 yen. 3. Rollerball gel ink 0.7mm standard 8523, black, new, 1 piece, 750 yen 4. Pencil refill 8710, 0.5mm HB, new, 15 pieces x 1, list price 660 yen 5. a. Rollerball gel ink standard 0.7mm, used, 1 piece & b. 0.7mm standard 8523, black, used, 1 piece Usage amount for both a and b is small -> a and b are service items, writing confirmed Total: 4 types new, 2 types used ★ 4 new types purchased on Amazon, May 23, 2025 For reference: I have experience using compatible ballpoint pen refills, but the ink disappears quickly, the ink flow is poor, it hardens, it's not smooth, and the experience was commensurate with the price.