Color: PINK Compact, prefilled ballpoint pen tattoo cartridges designed for practice and precision work. These cartridges let you draw on paper to simulate tattoo lines and shading, helping you develop consistent liners and smooth shading while keeping setup simple and economical. Key benefits Practice and learn faster: designed for paper practice to improve liner and shading technique; can reduce learning costs by up to 80 percent compared with traditional tattoo needles. Cost effective: prefilled, durable pen cores eliminate the need for additional consumables during practice sessions, lowering overall tattoo training expenses. Realistic feel and versatility: compatible with professional tattoo machines to simulate the tattoo experience and provide accurate control for both lining and shading. Easy to use: penstyle cartridges make drawing and creating designs on paper straightforward, helping artists focus on technique and accuracy. Features and specifications Color: Pink Type: Ballpoint pen tattoo cartridges, prefilled with ink Core: Durable pen cores that do not require extra consumables Compatibility: Works with professional tattoo machines for simulation and practice Function: Intended for creating and drawing on paper to practice liners and shading, and to test designs before inking skin Use scenarios Student practice: Ideal for beginners practicing line work and shading on paper before moving on to skin, reducing material waste and training time. Design prototyping: Quickly sketch and refine tattoo designs and line flows on paper while assessing composition and contrast. demonstrations and training: Trainers and apprentices can simulate machine use and technique progression without consuming traditional needles and inks. This product is practical for artists who want a lowcost, reliable way to practice techniques and prepare designs while maintaining compatibility with professional tattoo equipment.