The Pilot G-Tec C4 Rollerball is a rollerball pen with an extra fine nib and pure gel ink. Using newly developed biopolymer ink, the Pilot G-Tec C4 enables fluid, skip-free writing and drawing. There is no need to press too hard with this type of gel ink, which also prevents feathering. The extra fine 0.4mm nib writes a fine 0.2mm line, making it ideal for detailed writing and drawing. Long lasting and durable, this Pilot G-Tec rollerball takes refills and has a metal nib. It features a cap with clip, making it perfect for everyday use and when traveling.