The modern alliance of Swiss technology and design is here. So called because its form is innovatively Round aNd heXagonal, the RNX 316 combines dual sculpted geometries into a precision writing instrument with an incredibly stable grip and comfortable shape. The code 316 signifies the high-strength, hardness and purity of stainless steel, including the fountain pen nib, also crafted from stainless steel. The PVD coating and the flexibility of the nib combine to produce a smooth, fluid line. Other innovative features include: PVD (physical vapor deposition) is ceramic applied in a vacuum process that creates an extremely durable and ultra sleek finish and is widely used in fine watchmaking Ingenious one click system for perfectly aligned full closure between the cap and bodyFine diamond guilloche engraving creates a fascinating broken line motif that becomes chiseled by the lightTurn the end tip of the fountain or roller pen to activate the innovative quick cartridge changing mechanism Every black PVD-finished RNX 316 is highly polished for enhanced visual and tactile enjoyment of this uniquely emotive writing tool and art object. MANUFACTURERS WILL ONLY HONOR WARRANTIES ON PRODUCTS PURCHASED FROM AN AUTHORIZED DEALER. DON"T GET BURNED, BUY AUTHORIZED.