Keep your practice information at your patients' fingertips with Performance Pens! Each pen features a 4-sided barrel with a stylish eyeglasses and #20/20 design on one side, a Snellen chart design on its parallel side, a click top, silver trim, and a smooth built-in gripper that comes in light blue or black. Customize one side of the barrel with your practice name, contact information, or your own custom logo! Writes in medium point black ink.