BIC A.I. Retractable Ball Pen, Medium Point (1.0 mm), Blue, 12 Pens Retractable ball pen Easy Glide ink system enables smoother writing and a more vivid line 1.0mm medium point Binder clip attaches to notebooks, binders and more refillable Retractable ball pen Easy Glide ink system enables smoother writing and a more vivid line 1.0mm medium point. Refillable Binder clip attaches to notebooks, binders and more