Pentel water-based ballpoint pen This is a refill for SUPERBALL. ・Tip size: 0.5mm ・Water-based ink ・Genuine refill ・Unused ・Set of 5 Recommended for office work, studying, and stocking up on refills. Please note that the outer packaging may have minor scratches due to being stored at home. Please check the condition in the photos. Instant purchase is welcome. Thank you.