* Beautiful Mat Black Japanese Rollerball Pen * Long been loved by people all over the world for its smooth writing experience using a ceramic ball * Non-Dry technology prevents the writing tip from drying out even without the cap on * Lovely packaging makes for nice gifting The world's first water-based rollerball with its aluminium body provides a unique writing sensation. Equipped with a non-dry refill .The tip uses a SiC ceramic ball and has a unique writing taste that can only be achieved by OHTO, the world's first water-based ballpoint pen. is. This can be used on uneven surfaces. The ball has a moderately uneven surface that helps ink stick and ensures a smooth ink flow. The ceramic ball never rusts, maintains stability over time, and resists deterioration, even with water-based ink. It also prevents ball rotation from being hindered by rust. This works on uneven surfaces. The ball's slightly uneven surface promotes ink adhesion and ensures a consistent flow. Delivered in