The 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'. Mechanical Pencil with 0.5mm extra strong lead.
The clip can also be pushed up to enable the lock function, meaning the lead will not accidentally come out if shaken. Contains MONO one Eraser