Pom Pom Purin design Monograph 0.5mm lead for smooth writing. Sanrio Pom Pom Purin MONO Eraser Equipped Mechanical Pencil Monograph - Brand: Tombow - Model Name: Monograph - Lead Thickness: 0.5mm - Character: Pom Pom Purin I bought this at the Pom Pom Purin Cafe shop in Harajuku, but I haven't used it much and have kept it in storage. The eraser has also been used a few times. Please understand that this is a used item, so only those who are okay with that should purchase it. Please refrain from purchasing if you are sensitive to details or have concerns about minor issues.