[Recommended points] Secret weapons for memorization! Water-based dye ink. Mark it with a red pen and cover it with a green sheet to remember it. Thick side line width: 4.0 mm, thin side line width: 0.8 to 1.1 mm, ink color: red, product body size: total length 133.9 mm x maximum shaft diameter 10.8 mm x weight 8.1 g
1 piece
