the Pilot Super Grip-g Features the Latest Development in Ball Pen Ink Technology with a Super Smooth Writing & Quick Drying Ink. the Distinctive “grid” Design on the Ergonomic Rubber Grip Not Only Looks Great But Also Means You Can Write in Comfort for Extended Periods. the Tungsten-carbide Tip is One of the Toughest Around, Delivering the Waterproof Oil-based Ink Page After Page – & Once You’ve Run Out, You Can Simply Refill the Super Grip-g & Keep Going. the 1.0mm Tip Gives a 0.27mm Medium Line. the Colour of the Pen Represents the Colour of the Ink. Minimum Quantity: 250.