The Monami Name Pen X is a red oil-based marker that creates a fine 0.3-0.5mm line. It is highly useful for office or academic use as it allows for clear marking on various surfaces such as paper, plastic, and glass. This domestic product is sold individually and features a clip on the cap for easy carrying and storage. It is a writing tool that helps with clean marking in environments requiring precise writing, and is suitable for office supplies or promotional items for events when purchased in bulk.