Gel Pen - Offix® Retractable Rolling Ball Pen - 0.7 mm is a practical writing instrument for offices, schools, reception areas, home offices and supply rooms across Canada. Gel ink. Visible ink level. Rubberized grip. 0.7 mm point. Sold by each. Key details include 0.7 mm point. It is suited to everyday note-taking, forms, labels, meeting notes and classroom or workplace writing tasks.