The Uni-ball Gel Impact 1.0 Black Pen is a capped gel ink rollerball designed for smooth, bold and consistent writing. It features a robust 1.0 mm tip with an approximately 0.6 mm writing line, a soft rubber grip and Uni Super Ink designed to resist fading and water. The pen is refillable and uses the UMR-10 refill. Uni-ball identifies the Gel Impact model as UM-153S.

Brand: Uni-ball

Product Series: Gel Impact

Product Type: Capped Gel Ink Rollerball Pen

Manufacturer Code: UM-153S

Ink Color: Black

Ink Type: Water-Based Gel Ink

Tip Size: 1.0 mm

Writing Grade: Broad

Line Width: Approximately 0.6 mm

Ink Technology: Uni Super Ink

Ink Resistance: Water Resistant

Fade Resistance: Yes

Grip: Soft Rubber Grip

Nib Material: Tungsten Carbide

Mechanism: Capped

Pocket Clip: Yes

Refillable: Yes

Compatible Refill: UMR-10

Application: Signatures, Office, School, Note-Taking and Everyday Writing