UMEGMBX Piston Filled Flexible Brush Tip Fountain Pen, Refillable Brush Pen for Calligraphy Sketching Painting Journaling, Watercolor Pen for Artists

• This brush pen features a piston-filled ink reservoir that can be refilled with fountain pen ink or watercolour ink. The transparent barrel allows ink level to be monitored.
• The brush tip is flexible, providing variable line width from thin to thick depending on pressure applied. Suitable for calligraphy, sketching, and painting applications.
• The pen combines a fountain pen style body with a brush nib. The piston mechanism draws ink into the reservoir without requiring cartridges.
• To refill, dip the nib into ink and turn the piston knob to draw ink into the barrel. The pen can also be filled using an eyedropper (not included) directly into the barrel.
• Suitable for calligraphy practice, art journaling, watercolour sketching, manga drawing, and general illustration work. The pen is refillable and reusable for ongoing use.

Piston Filled Flexible Brush Tip Fountain Pen – Refillable Brush Pen for Calligraphy and Art A refillable brush pen with a piston filling mechanism. The flexible brush tip allows for variable line widths, suitable for calligraphy, sketching, and painting. What's Included - 1 x piston-filled brush pen - Nib type: Flexible brush tip - Filling mechanism: Piston (built-in) Product Specifications - Pen type: Brush pen with fountain pen style body - Filling system: Piston refillable - Nib material: Synthetic brush fibre - Ink compatibility: Fountain pen ink, watercolour ink, calligraphy ink - Body material: Plastic/resin with transparent barrel Piston Filling Mechanism The pen has a built-in piston mechanism. To fill: - Dip the brush nib into bottled ink - Turn the piston knob at the end of the barrel - Ink is drawn up into the transparent barrel The piston system allows the pen to be refilled repeatedly from bottled ink, eliminating the need for disposable cartridges. Flexible Brush Nib The brush tip is made from synthetic fibres that mimic the flexibility of traditional brush hair. Characteristics include: - Fine point for detailed work - Variable line width (thin to thick) based on pressure - Spring back after each stroke - Suitable for both writing and painting techniques Transparent Barrel The barrel is transparent, allowing the user to see the remaining ink level. This helps in planning refills before the pen runs dry during use. Ink Compatibility This pen works with: - Fountain pen inks (water-based) - Watercolour inks - Calligraphy inks (ensure they are suitable for fountain pens; pigment-based inks may require more frequent cleaning) - Diluted watercolour paint (thin consistency) Not recommended for: - India ink or shellac-based inks (may clog the nib) - Acrylic ink (dries quickly and may damage the brush fibres) - Thick or viscous paints Cleaning and Maintenance - Flush the pen with clean water between ink colour changes - To clean, draw water into the barrel and expel it repeatedly - Allow the nib to air dry before storing - If ink dries in the nib, soak the tip in warm water for several minutes Typical Applications - Calligraphy (modern, brush, and Chinese/Japanese styles) - Sketching and line art - Watercolour painting (for detail work and line and wash technique) - Art journaling - Manga and comic illustration - Hand lettering - Botanical illustration - Ink wash painting Storage Store the pen horizontally or with nib pointing upward when not in use. Avoid storing with nib pointing downward for extended periods as ink may pool in the cap. Clean the pen before long-term storage.