Mitsubishi UL-S-0.3-25H ULS0325H 4902778273951 (10 sets)

Core diameter: 0.3mm Although it is clear and dark, it does not stain easily even when rubbed, and the letters do not bleed even when drawn with a marker. A sharp refill that is hard to break, dark, smooth, and stain-resistant. ◆Hardness: H ◆Quantity: 25 pieces