Monteverde\’s MP1 marks their pioneering internal piston fountain pen, crafted to commemorate the brands 25th anniversary. This model incorporates advanced Lock-It piston technology, ensuring the piston knob stays securely in place between refills. Its design boasts a robust anodized aluminum cap alongside a stunning transparent barrel, while the high-quality German #6 JoWo nib guarantees smooth, dependable ink delivery tailored to any writing pace or technique. The MP1 exemplifies elegance and innovation in a refined writing instrument. Lock-it piston technology Durable anodized aluminum cap with elegant etched lines. Finely crafted #6 German Jowo nib for precision and smooth writing, offered in six sizes: Extra Fine, Fine, Medium, Broad, Stub, and Omniflex. Plasma-treated feed system for consistent ink flow, preventing skips and blots. Seamless transparent barrel and grip for sleek design and smooth comfort.