The Dr. Grip 4 + 1 uses Acroball Ink for a super smooth writing experience! Each pen includes black, blue, red, and green ink + a .5 mechanical pencil. Ink tip sizes in this pen are .7mm, and refillable with your choice of tip size. Choose from Pooh and Honey on a Pale Blue background and Pooh and Piglet on a Pale Orange background.
