Features:

• Tombow Mono Graph Mechanical Pencil introduces an innovative shake-mechanism that allows the user to extend the lead by simply shaking the pencil or pressing the clip down.
• This Mechanical Pencil equipped also with a lock mechanism to prevent accidental lead extension.
• It's 4mm long guide pipe, prevent the lead from breaking.
• It has rotatable and refillable high performace eraser and 0.5mm lead also.