Z-Grip "MINI SIZE" Retractable Ballpoint Pen - Economy Pack of 36 - Assorted Colours The Z-Grip Mini is the 114mm version of Zebra's bestselling Retractable Ballpoint. Transparent barrel allows constant monitoring of ink consumption. 1.0mm nib writes a 0.7mm line. Features a rubber "Comfort Grip" and metal clip. Pack contains the following colour inked pens: 18 x Black, 6 x Blue, 3 x Red, 3 x Green, 3 x Light Blue, and 3 x Pink.