Tombow Pencil MONOGRAPH 0.5 Limited Edition Design Collaboration with Furukawa Shiko "Clear Neon Yellow" This is a limited edition design featuring illustrations of the MONO eraser on the MONOGRAPH 0.5. It is sold only at a limited number of retailers and is not widely publicized even by the official company. The MONO eraser illustrations serve as an accent, creating a very cute design. Other colors are available here: #ZMonographLimited