Portemines Twist-Erase Express - 0.7 mm, Purple, Pack of 12 is a mechanical pencil designed for 0.7 mm, purple, pack of 12. Ergonomic grip. 0.7 mm point. Box of 12. Ideal for offices, schools, reception desks, classrooms and home office setups, it supports reliable note-taking, forms, worksheets, drafting and everyday writing tasks.