Wing Sung 3009 Piston Fountain Pen Extra Fine Nib 0.38 mm Transparent Large Capacity Writing Pen 4 PCS Colorful Set, Silver Trim

?Detail:? Brand: Wing Sung Length:142cm?Weight: 22g?Diameter: 15cm Nib: Extra Fine Nib / EF (About 0.5mm) Color: 4 colors set (pink, purple, fluorescent yellow and transparent white) Ink Adding Method: Rotational movement of the piston (Can not use converter) Application Scene: Everyday Life/Business/Writing/Office/Calligraphy/Gift Package Included: 4x Transparent Fountain Pens(Do not contain ink) ?Wing Sung 3009 Piston Transparent Fountain Pen Set?: 1.Humane way to add ink : Rotational movement of the piston, easy to clean. Internal sealing device, ink will not spill, safe and sanitary. 2.Fully transparent penholder: Using different colorful inks to get different beautiful scenery and enjoy the visual feast. 3.4 colors set for everyday life: Record your thoughts or feelings on paper. ?Friendly notice:? 1. When the piston is rotated and you hear a sound, continue to rotate, the piston will move down to the bottom. Then start to absorb ink, slowly rotate in the opposite direction until the sound is heard again, which means that the ink finishes to add. 2.The pen only fits bottled ink, can't use the converter; 3.Package included 4 pens, it does not contain ink.