Fountain pen/M – 4799.171 Nib sizes: B – .181/F – .161/BB – .191 Nib: 18 carat gold, rhodium-coated Fountain pen – piston ink pump or ink cartridge Cap: screw-in Refills: Chromatics Collection, Caran d'Ache ink cartridge Lifetime international guarantee Swiss Made Turquoise, a refreshing tone suggesting the purity of the lake waters. A replenishing shade which makes the Léman Bicolor Turquoise, the companion for the most beautiful summer moments. The turquoise lacquer perfectly matches the silver-plated, rhodium-coated metal finish. 18 carat gold, rhodium-coated nibs Piston ink pump or Caran d'Ache ink cartridges. The Léman Bicolor Turquoise fountain pen is an elegant companion and offers you exceptional writing comfort.