Easy, push-button advance gives you the exact amount of lead fast! Lead advances easily so you keep writing. Offers pinpoint control and extended comfort. Ridged finger grip. For easy hands-free carrying. Removable pocket clip. Uses Pentel Super Hi-Polymer refill lead and Z2-1 refill eraser. Refillable for continued use. Pentel Pencils part of a large selection of office supplies. Pentel(R) Automatic Sharp(TM) Mechanical Pencil, 0.5mm, Green is one of many Mechanical Pencils available through Office Depot. Made by Pentel.