Uni Ball Eye Micro Roller Ball Pen (1pc)Uni Ball Eye Micro Roller Ball Pen Single Piece Providing the Uni Ball Eye Micro Roller Ball Pen, which is well known for its reliability and its durability. Its colored ink is waterproof and UV resistant, and it dries fast to provide long lasting writing clarity. This pen provides safety and precise lettering with a fine 0. 5 mm needle point ball that makes a 0. 4 mm line. Uni ball eye micro gel pen is very durable 0. 5 mm needle point ball draws a