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 writers0.5mm tip gives approx. a 0.25mm (fine) line widthRefillableThe Pentel EnerGel Xm Permanent 0.5mm 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. 0.5mm tip (approximately 0.25mm line).  Pack of 12 pens with black ink.