FeaturesISO-certified waterproof, light-fast and fade resistant inkPerfect for signing cheques, contracts and other legal documentsQuick drying ink reduces smudging – ideal especially for left-handed writers0.7mm tip gives approx. a 0.35mm (medium) line widthRefillableThe Pentel EnerGel Permanent 0.7mm Pen (Box of 12), is a retractable, metal tip rollerball with waterproof, light-resistant and fade-proof ink, ideal for cheques, contracts and all manner of official and archived documents. The ink lays down smoothly and is quick-drying and smudge-proof, which makes it particularly suitable for left-handers. Certified to DIN ISO 2766 8-2:1999. Strong metal pocket clip.  Made from 54% recycled materials. 0.7mm tip (approximately 0.35mm line).  Pack of 12 pens with blue ink.