The Kaweco Perkeo green M fountain pen provides a smooth and consistent medium stroke combined with the ergonomic design of a triangular finger grip. Made of lightweight plastic, it measures 14 cm in total length, has an anti-roll octagonal cap, and a durable stainless steel M nib for flawless writing. Its interior accommodates high-capacity universal cartridges or standard ink bottle converters. Its natural green hue brings harmony to the desk, making it the perfect choice for those who write lengthy texts and value comfort and reliability.