Ticonderoga SenseMatic Plus Refillable Self-Feeding Automatic Pencil, 0.7 Millimeter, Number 2 Lead, Includes Refill Eraser and Leads, Silver Barrel (99991) The world's only totally automatic mechanical pencil Includes 3 extra leads and 1 refill eraser SenseMatic pencil automatically advances lead, no clicking or twisting No sharpening needed Earn free supplies - Visit the Prang Power website for program information