UNI-BALL EYE UB-150 BLUE [Pack of 3] MICRO 0.5mm TIP ROLLERBALL PEN UNI-BALL UB-150 UNI-BALL EYE MICRO PREMIUM MICRO FINE ROLLERBALL Pack of 3 BLUE The Uni-Ball UB-150 Gel Pen offers Outstanding Style with High Performance High Quality & Reliable Rollerball Featuring Water-Proof Pigment Ink & Uni-Flow System to Ensure a Continuous and Consistant Write to the Last Drop ULTRA MICRO Fine Tip, 0.5mm Rollerball Writes a 0.3mm Line