The piston-filled fountain pen crafted from metal materials, 0.5MM tip, write smoothly, Suitable for student, child, adults practicing. for signing files, contract, paper, writing, practice, sketching, art designing, illustrations, drawing, . Smoothly and continuously inks . Comfortable writing . for business signing, art , writing practice. Upgraded design, piston-filled inks absorber, easily refilled by twisting the knob. Also can be refilled by inks cartridge, simply remove to refill. Great business pen for women, man, writer, journalist, painter, artists, students, teacher, friend on Christmas, New Year, Thanksgiving, Birthday, Anniversary.