Classic cartridge tattoo needles with internal rubber band for stable, consistent performance. Key benefits Stable operation: built with an internal rubber band to reduce needle play and improve steadiness during use. Broad compatibility: designed to run well with different style tattoo machines, including penstyle machines when positioned correctly. Easy to use: classic cartridge format for quick installation and replacement. Professional use only: intended for tattoo artists and should be used only when the sealed package is undamaged. Features and performance Cartridge style: standard cartridge design for compatibility with a wide range of machine grips and adapters. Internal rubber band: helps maintain needle alignment and reduce wobble for more predictable needle movement. Consistent feed: engineered to run smoothly with stability across various machine types when operated as instructed. Important handling note For penstyle machines, keep the cartridge positioned lower than the machine horizontal level to ensure correct operation and consistent needle movement. Use only if the package seal is intact. For professional tattoo artists only. Typical applications Line work and precise outlining where needle stability is critical. Shading and soft gradients that require steady, predictable needle movement. Color packing and solid fills when consistent feed and machine compatibility are needed. What this product provides A reliable cartridge needle option with an internal rubber band for enhanced stability. Compatibility with multiple machine styles when positioned correctly. A professional cartridge solution intended for use only if the original packaging is undamaged.