UB-157 Blue Uni-Ball Eye Fine 0.7mm.

Uni-Ball Eye Fine Rollerball Pens have a unique design with a handy see through window which allows you to monitor how much ink is left. Each pen contains a smooth writing rollerball nib so they're perfect for your everyday writing needs.

• Each pen has a fine 0.7 mm nib which provides a thin line for greater control.
• You can use the pens for everyday writing and drawing.
• The smooth flowing liquid ink delivers a consistent writing experience.
• Each pen has a window in the barrel so you check how much ink is left.
• The pens contain Uni Super Ink which is permanent, waterproof and fade proof once dry.
• This pen contains blue ink.