Uni-Ball Signo UM120 Rollerball Gel Pen Black (Pack of 12) 781252000This Uni Ball Signo UM120 Rollerball Pen contains smooth Super ink, which is fade resistant, water resistant and tamper proof. Featuring a 0. 7mm tip which writes a 0. 5mm line width, ideal for journalling, writing and drawing. Supplied in a pack of 12 pens with black ink. Rollerball pen with super gel ink Medium 0. 7mm tip for a 0. 5mm line width Smooth and consistent ink flow for handwriting and excellent colour coverage Multi surface: Works on