4 1/4” overall. Semi-stonewashed finish. Cap, body, and rear plug are machined 6Al-4V titanium. Front pen retainer is stainless for magnet attachment. Zebra F ink cartridge refill (included). Cap contains neodymium rare Earth magnet to provide cap attachment security. Front and rear have integrated O-rings for secure retention preventing accidental unscrewing. Comes with 12mm split ring for quick attachment and removal. Reusable storage tube. Bulk packed.