PAPER MATE® SHARPWRITER MECHANICAL PENCIL, 0.7MM, YELLOW, DOZEN UNIQUE TWIST-TO-ADVANCE MECHANISM MAKES THE SHARPWRITER NO. 2 MECHANICAL PENCIL SIMPLE TO USE. USE THE SIMPLE TWIST ACTION TO ADVANCE AND RETRACT LEAD. SHOCK-ABSORBING CUSHION TIP ADJUSTS TO WRITING PRESSURE TO REDUCE LEAD BREAKAGE. MECHANICAL PENCIL OFFERS A CONVENIENT POCKET CLIP TO ATTACH TO POCKETS AND NOTEBOOKS. NON-REFILLABLE. SHOCK ABSORBING TIP/POCKET CLIP.