Cartridge Needle with Internal Rubber Band Classic Style A classic cartridge needle designed for stable, reliable operation with a range of tattoo machines. The internal rubber band cushions needle movement to promote smooth performance across different machine styles. Key benefits Stable operation: Internal rubber band helps reduce unwanted movement for consistent needle action. Broad compatibility: Designed to run well with various cartridgestyle and penstyle machines when used correctly. Simple setup guidance: For penstyle machines, keep the cartridge lower than the horizontal level of the machine to maintain proper function. Professional use only: Intended for tattoo artists and should be used only if the packaging is undamaged. Features and attributes Function: Classic cartridge needle for tattoo application with internal rubber band for added stability. Compatibility: Fits most cartridgestyle and penstyle tattoo machines when orientation is observed. Performance: Engineered for stability and smooth operation across different machine styles. Condition requirement: Use only when package integrity is intact to ensure sterility and performance. Use scenarios Precision lining and detail work using compatible penstyle machines when the cartridge is positioned below horizontal. Shading and color packing where steady needle movement and consistent performance are required. Studio workflows that require quick cartridge swaps while maintaining stable needle response across machine types. Important note For professional tattoo artists only. Inspect packaging before use and do not use if the package is damaged.