Yongsheng Brush Piston Fountain Pen Set, Arts Pocket Refillable Brush Pen For Calligraphy Painting, Drawing, Scrapbook and Sketch

• 【Huge Ink Capacity 】- These piston brush pens allow you to store large ink, you won't have to worry about it running out for a long time.
• 【 Classic Design 】- The transparent body make this pen looks beautiful and energetic , so you can see the ink slosh around in the barrel.
• 【 Flexible Nylon Hairs 】- The nylon hair is soft, flexible, and provide precise control. You can write fine to large broad line with it .
• 【 Easy Refilling 】- The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle—no need for cartridges or a converter!
• 【 Classic Design 】- It is a brush type of fountain pen with piston mechanical filling . the transparent body make these pens look beautiful and energetic. , so you can see the ink slosh around in the barrel.

SPECIFICATIONS: Nib : High quality nylon hair ; Cap : Screw Type Length : 138mm; Diameter ：14mm; Weight : 25g Package Include: 3 x brush pens , ink not included The piston filling mechanism is easily operated by twisting the knob at the end of the barrel counter-clockwise to extend the piston, submerging the nib in ink, then screwing the knob tight to retract the piston, drawing ink into the pen straight from the bottle—no need for cartridges or a converter! Precision Anti-leaking Rotation Design : operating the piston while ink is in the pen will cause ink to leak out of the pen. You can twist the knob end of the barrel in clockwise to lock it until you hear a "click"