Takes most of the shake and muscle strain out of holding and handling a pen. With the hand relaxed and facing down, one finger through the ring easily guides the pen without the need to grip with a thumb. The pen is positioned to become an extension of the finger which can then smoothly trace words and draw. The barrel fits snuggly between two other fingers and has an ergonomic resting place for the writing finger. Blue ink. Two refills included with each RinG-Pen. View information about the Ring Writer Clip, an alternate writing aid that you may prefer. RinG Pen™ Writing Instrument 73507-0000$21.20 RinG-Pen™ Refills - Bag of 2 73507-0001$4.86 If you have any questions or need help, just call us, 877.538.6568