Yongsheng Fine Fountain Pen with Clear Gold Arrow Clip of Barrel, Trim, Screw-on (Set 4)

Precise anti-slip rotatable design: After refilling the ink, turn the knob clockwise until you hear a "card" sound to prevent accidental turning of the knob and ink leakage. The ink is supplied by turning the tail cap at the back of the pen body, which draws ink up from the nib. It's very easy to write with, and the skeleton body allows you to color the body with the beautiful colors of the ink that has been drawn in. The skeleton body allows you to paint the body with the beautiful colors of the ink you draw. Nib size: Fine 0.5mm; Screw cap; Length: 138mm; Diameter: 1mm; Weight of each pen: 18g Package: Set of 4 PRECISION ANTI-SLIP ROTATABLE DESIGN: After refilling, turn the knob clockwise until you hear a "CARD" sound to prevent accidental ink leakage. The ink supply system is achieved by turning the tail cap at the back of the pen body to draw ink up through the nib. It's very comfortable to write with. The skeleton body allows you to paint the body with the beautiful color of the ink you draw.