Pentel_Mechanical pencil refill_Ain lead diameter 0.5/red lead C285-RD /4902506405838 (10 sets)

■Balanced high performance.
It achieves a high level of contradictory properties such as ``smoothness,'' ``resistance to bending,'' and ``resistance to stains.'' "PentelAin" has improved smoothness compared to conventional products.
■New manufacturing method makes it even smoother.
A new manufacturing method that uses a special oil as a raw material allows the graphite and resin carbide to break down smoothly when writing, resulting in a smooth writing experience.
■Case structure designed for ease of use.
A case structure with high operability that was completed through repeated investigations and behavioral observations. You can operate it with one hand while the case is facing upwards, reducing the risk of spilling the wick.
■Simple case design.
Coloring based on the core color (black). If you peel off the sticker after purchasing, the design will be unobtrusive and will fit in your pencil case or desk area.