Piston filled Brush Pen with Removable Ink Sac Refillable Markers Calligraphy for Beginner Watercolour Oil Acrylic Painting Fountain

PREMIUM FOUNTAIN-PEN-LIKE CALLIGRAPHY PEN. The brush tip adopts nice synthetic fiber which can distribute ink evenly. The nylon hair is soft, flexible, and easy to wash. No matter beginners or professionals, both can easily write fine to large broad line with it. WIDE USE METHODS. Ideal for calligraphy practicing, lanscape painting, detail lining, signature, writing letters, wirting Chinese-characters, Greeting cards, Thanks cards, etc. DETACHABLE INK TUBE, EASY TO REFILL. Features sturdy metal pen clip and removable ink sac, this piston-filled calligraphy pen is easily refilled by twisting the knob 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 ink bottle. No need for cartridges or a converter! These pens can be transported in their case or your painting kit and used on the go! The brushes are light weight. They are good to use indoor or go out with it. Perfect for travel as well. Easy to clean with less mess, well crafted, and no leaks around the seal, perfect for all water colouring needs.