● Specifications: Narrow Tip that you can see your lines and letters when writing. Stable writing to ensure a low center of gravity design. Ruler to make this a 4 mm guide pipe. Knurling. To prevent the sliding of the hands The hardness of the core with can be a display window. ◆ Material: Iron axis: Recycled ABS Gold Nib, grip: Brass Clips: ◆ core diameter: 0.3 mm ◆ ◆ Built-in lead: HB replacement 消gomu: Z2 – N.