uni-ball Signo Gel Grip UM-151S Rollerball Pen 0.7mm Tip 0.4mm Line Black (Pack 12) Taking notes? Writing lists? Doing some serious work? Whatever the job, you need a clear writing, dependable pen thats a breeze to write with. The uni-ball Signo Gel Grip is a high quality gel ink rollerball pen. This easy to handle, effective pen has a rubber grip for comfort and has a window incorporated into the sleek barrel design so that you know exactly when your ink is running low. Its quick-drying ink ensures that your writing remains neat and smudge-free. The gel ink is also fade-free, water resistant and tamper proof, making it a sensible choice for important documents, journaling and more. The precision 0.7mm nib is ideal for super clear script and the pen is available in black, blue and red.