Gel Pen - Impact Rolling Ballpoint Pens - 1.0 mm is a practical writing instrument for offices, schools, reception areas, home offices and supply rooms across Canada. Gel ink roller. Ink window. Fraud prevention ink. Rubberized grip. 1.0 mm point. Key details include 1.0 mm point. It is suited to everyday note-taking, forms, labels, meeting notes and classroom or workplace writing tasks.