Description The Pentel Orenz 1-Click Mechnical Pencil in Black uses .5mm pencil lead, and features a unique anti-breaking lead system - click once to extend lead and keep writing until Super Sliding Sleeve retracts fully into barrel. Click only once to extend the unique Super Sliding Sleeve and keep writing until the sleeve fully retracts. The lead should not extend past the metal tip - it will write without you actually seeing the lead. The unique Super Sliding Sleeve prevents lead from breaking. Pre-loaded with Pentel Super Hi-Polymer B lead, the pencil never needs sharpening, is super strong and produces a clear dark line. A retractable tip protects pockets and purses Uses Z2-1N eraser refill.