PILOT Parallel Calligraphy Pen Set, 6.0mm Nib with Black and Red Ink Cartridges Features Mix and Match: Refillable with a wide variety of ink colors and available in 4 nib widths: 1.5 mm, 2.4 mm, .38 mm, 6.0 mm. Touch the nibs of two Parallel Pens together to meld the ink colors and create ombre designs Express Yourself: Whether youre bullet journaling or working on other creative projects, youll want to try Pilots full line of calligraphy and hand lettering pens, brush markers, fountain pens and more Trusted Quality: Weve been making pens for over 100 years. Whether youre taking notes, stocking up on school or office supplies, or writing in a bullet journal, Pilot has the perfect pen for you Power To The Pen: Pilot makes exceptional writing instruments to suit all your needs. We have fountain, ballpoint, retractable, erasable and gel ink pens, whiteboard markers and more for every writing style Description A breakthrough in Ink cartridges can be switched in the pen to create gradated color lines and mixed colors. Each set comes with a Parallel Pen, one black and one red ink cartridge, a pipette to clean the pen and a nib cleaner. This Additional Parallel Pen ink cartridges are sold separately. Nib width is , the thinnest of the Parallel Pen line. Payment We accept all major credit cards and PayPal. Shipping Free Shipping anywhere in the Continental United States. Please be certain your shipping address is correct as this cannot be changed once the order has been placed. Returns Should you need to return your purchase, we allow returns that are processed within 30 days of receipt of the order. Please contact us for a return authorization and the return shipping address.