Sold as 24/Pack. Mechanical Pencil. Comfortable, extra-soft ribbed grip for less writing fatigue. Refillable with Pentel's Super Hi-Polymer Lead and PDE-1 refill eraser. Fine Point, 0.5 mm. Durable metal clip withstands repeated use. Limited lifetime warranty. Smoke Barrel. Fixed sleeve reduces lead breaking. 24 pencils per pack. Cool color-tinted barrels. Top click easily advances lead and its transparent barrel will allow you to monitor lead supply so you never get caught short-handed, retractable.