Reinforced fiber tip for writing extra-fine lines Extra-fine fiber tip is reinforced for reliably precise lines. Protective metal sleeve houses the tip for durability. Steady liquid ink flow for smooth writing. Includes a pocket clip for convenient attachment to your pocket, notebook, binder, or other nearby items. Can be used on most surfaces. Sure-click cap helps prevent the ink from drying out. Nonrefillable. Pilot Pens part of a large selection of office supplies. Pilot(R) Razor Point Pens, 0.3mm, Extra Fine Point, Black Barrel, Black Ink, Pack Of 12 is one of many Porous Point Pens available through Office Depot. Made by Pilot.