Diplomat Viper Blue Guilloche Rollerball Classic Lacquer but Kaweco's AL Sport Piston

but Kaweco's AL Sport Piston Filler Fountain Pen is a design marvel that balances the classic pen's compact style with a smooth

Cover: Soft Cover

Dimensions: 137

executive styling and supreme comfort when writing

Diplomat Viper Blue Guilloche Rollerball Classic Lacquer but Kaweco's AL Sport PistonCrafted by Diplomat, the Viper combines precision engineering with bold surface design. Its fully engraved aluminium body features a guilloch pattern inspired by a vipers scaled skin, creating depth and texture across the anodised blue finish. Slim, balanced, and ergonomic, it sits comfortably in hand for both left and right handed writers. The rollerball writing system delivers a fluid, smooth line with the richness of liquid ink and everyday