Uni-Ball Gel Impact Rollerball Pens - UM153S. Gel ink rollerball with a broad tip for extra smooth writing performance. Smooth rubber grip for effortless writing control and a 1.0mm nib that produces a 0.6mm writing line. Ink Colour: Blue.

Uni-Ball UB-157 Eye Rollerball Pen Fine Black (Pack of 12) 162446000. Fine line 0.7mm rollerball writing pen for smooth flowing writing. Generous ink reservoir with unique eye feature allows you to see exactly how much ink is left.

Uni-Ball UB-157 Eye Rollerball Pen Fine Blue (Pack of 12) 162453000. Fine line 0.7mm rollerball writing pen for smooth flowing writing. Generous ink reservoir with unique eye feature allows you to see exactly how much ink is left.

Uniball Air Micro Rolerball Black (Pack of 12) 190470000

Uni-Ball Eye UB-150 Ocean Care Rollerball Pen 0.5 Black (Pack of 12) 274373000. Rollerball pen with smooth liquid, pigment ink. Fine 0.5mm nib. Super ink is water resistant, fade resistant and tamper-proof.