The Pen That Earns a Permanent Spot on Your DeskThe Craighill Kepler Pen starts from a simple premise: a pen should feel like something worth picking up. Solid brass body, rippled grip zone for control, click mechanism that deploys cleanly. It's 5 inches long and weighs 2 oz -- substantial enough to feel deliberate, balanced enough to write with all day.Takes Schmidt 635 refills (included) and is compatible with any D1 standard refill. Browse more EDC pens and everyday carry tools or check out the Kepler Pen in Vapor Black if brass isn't your material.Details Feature Spec Material Solid brass Length 5" (12.7 cm) Diameter 0.3" (0.76 cm) Weight 2 oz (56 g) Refill Schmidt 635 / D1 standard compatible Mechanism Click retractable Made In Brooklyn, NY Solid brass body -- develops a natural patina with use Schmidt 635 refill included -- D1 standard accepts dozens of aftermarket options Rippled barrel -- textured grip zone for control without effort 2 oz balanced weight -- smooth, effortless writing Backed by Craighill's For Life Guarantee