Color 5M1 cartridge needles designed for professional tattoo work. Each cartridge is precisely assembled from stainless steel and PVC, individually sealed in a protective bag for reliable handling and storage. Key benefits Improved control and visibility: Slanted mouth design makes it easier to observe needle condition during use for more accurate work. Better ink adhesion and reduced skin trauma: Polished needles with added grooves hold ink more effectively, helping reduce the number of passes required and minimizing skin loss. Contamination protection: Integrated silicone membrane prevents ink backflow into the machine, offering added protection for internal components. Stable needle output: Silicone outer ring increases outer diameter and reduces vibration for steadier performance and smoother lines. Main features Materials: Stainless steel needles with a durable PVC cartridge housing. Design details: Slanted mouth, polished needle tips, surface grooves, silicone membrane, and silicone outer ring. Compatibility: Available models RL, RS, M1, RM. Standard buckle lock makes installation and replacement quick and compatible with most common tattoo pen machines and handles. Packing: Each needle cartridge is individually packaged in a sealed bag for cleanliness and safe storage. Color: 5M1. Practical applications Precision lining and detail work using RL and RS cartridges where clean, consistent lines are required. Shading and color blending with RM and M1 cartridges to achieve even ink distribution with fewer passes. Session work in studio or mobile setups where fast cartridge changes and reliable backflow protection are important. Why choose these cartridges Designed to help reduce rework and skin trauma through improved ink retention and smoother needle action. Built for easy installation and broad machine compatibility, making them suitable for a wide range of tattoo artists and workflows. Individually sealed packaging supports hygienic handling and organized storage. Compatible with most common tattoo pens and handles. Available in models RL, RS, M1, RM and color 5M1.