Differentiate your writing with the deep, rich write of BLX black-infused colors. Exclusive, pigment-based gel ink forms an indelible bond in paper for intense coloration and document security. This uni Super Ink also helps prevent check and document fraud. Subtly textured grip provides a comfortable and controlled writing experience. Top plunger retracts the tip to protect purses, briefcases and other items from stray ink marks. The uni-ball 207 BLX Gel Pen also features an elegant pocket clip to attach to notebooks, planners and more.