4 x Uni-Ball Eye Micro 0.5mm Tip Rollerball Pen UB-150
PREMIUM MICRO FINE ROLLERBALL. ULTRA MICRO Fine Tip, 0.5mm Rollerball Writes a 0.3mm Line. UNI-BALL EYE MICRO. Buy Any 2 Uni-Ball UB150/157 Pens or Pen Sets and Get 10% OFF! A Barrel Window allows the User to see how much Ink is left.