Specifications: 100% brand new and high quality Length with Cap: 13.8cm Diameter: 1.3cm Nib material: iridium nib Nib: EF (0.38MM) Feature: This pen is well-crafted and comfortable to hold! The nib features a spring mechanism, ensuring good airtightness. The protrusion on the pen core aligns with the corresponding notch for easy installation. The package includes an ink applicator, two empty ink sacs, an ink sac stopper, and a dropper for filling the ink sac. This makes it convenient to carry ink without needing a full bottle, ensuring safety for travel. The pen is ideal for intermittent writing, suitable for occasions that allow stopping and starting. There��s also a version without a clip for those who find it more comfortable. Improper grip may lead to scratches and issues with calligraphy. The writing quality of the nib is excellent. The iridium grains are smooth and well-shaped, providing a pleasant writing experience. While a gold nib can offer limited improvement, this iridium nib performs exceptionally well. Package Contents: 1 Fountain Pen