6 Ballpoint Pen Cartridges

30-Day Return or Replacement ✅ Take your skills to the next level with these .5mm ballpoint cartridges, designed for dotwork, stippling, and fine-line practice. Whether you’re just starting out or perfecting your technique, these long-lasting cartridges are built to support focused, high-quality tattoo training. Why You’ll Love Them:• Smooth, consistent ink flow• Up to 4 hours of continuous use per cartridge• Gentle on your tattoo machine• Compatible with any tattoo machine with a 3.5mm stroke length or less and takes cartridges• Patented design – US Patent No. 12,109,836 What’s in the Pack:• 6 Ballpoint Cartridges• Ballpoint Size: .5mm• Available Variants:    – Black & Blue    – Original Black Ink    – Original Blue Ink    – Original Red Ink Perfect For:• Dotwork and stippling• Tattoo linework and shading practice• Artists, apprentices, and creative pros Note: Tattoo pen not included.  Get access to our FREE online course with any purchase!😁