Tombow Mono Graph 0.5mm Mechanical Pencil – Shake and Write!Tombow’s Innovative Shake-Mechanism Mechanical PencilThe MONO graph mechanical pencil is an innovative design from Tombow. There is no need to let go of the pencil to adjust the lead, a quick shake of the pencil up and down will advance the lead using Tombow’s inventive ‘Shake Mechanism’ . However the lead can be manually advanced by pressing down the clip as a more traditional option if preferred. The clip can also be pushed up to enable the lock function, meaning the lead will not accidentally come out if shaken. The fixed 4- mm – tip allows precise work and ensures less lead breakage. Ideal for drawing with a ruler or template. Refillable 0.5mm lead and twist-action eraser stored in the top of the pencil (sold separately).100% Original Items of TombowMono Graph SeriesLead Size: 0.5mmMade in Japan