Unused item! Mitsubishi Dermatograph Pen - Red - Model Name: Colored Pencil 7610-15 - Quantity: 1 dozen (12 pencils) These are sold for around 100 yen each, but I'm selling them at a bargain price to clear out inventory. [Water-based Dermatograph] Special core allows you to draw freely on metal, glass, plastic, wood, etc. This type can be erased with water. [How to Use] Pull the string and cut the paper to the bottom → Peel off the paper with your fingernail just one turn → Pull upwards and the paper will naturally come off. Available for sale in the required quantity! Bundle discount available ◎