Mitsubishi Pencil Dermatograph Colored Pencils 7610 1 Dozen Water-Based No. White, (K7610.1)

[Water-based Dermatograph] Uses a special lead that allows you to freely draw on metal, glass, plastic, wood, etc. / Water-erasable type [Core diameter] 4.4mm [Type] Water-based [Hardness] Soft [Shaft shape] Paper-wrapped type [How to use] Pull the string to cut the paper all the way down → Use your fingernail to peel off the cut edge of the paper and remove just one layer → Pull upwards and the paper will come off naturally [Quantity] 1 dozen (12 pieces)