Uni-ball® Grip Rollerball Pen is Classic Pen with Contemporary Design. This Stylish & Streamlined Pen has an Integral Rubber Comfort Grip That Ensures Fatigue-free Writing. Pen has 0.7mm Tungsten Carbide Ball Writing 0.5mm Line. Alongside Great Branding Areas Includes Quick Drying Uni Super Ink Which is Water Resistant, Fade Resistant & Tamper Proof. Black & White Pen Are Supplied with Black Ink Refills & Blue Model with Blue Ink Refills. Supplied Bulk Packed. Minimum Quantity: 100.