Tombow Mono Graph Mechanical Pencil DPA-132 & DPA-134

4mm long guide pipe to help prevent the lead breaking. 

Innovation shake-mechanism that allow user to extend lead by simply shaking the pencil. 

Refillable eraser with Mono eraser E-ER-MG.

4 colors available.

Color sequence from left to right:

Blue, Lime, Red, Neon White