CAPILLARY CARTRIDGES -THE ULTRA-PRECISE TATTOO NEEDLES FOR LONGER INK FLOW Capillary and ink reservoir for up to 10 times longer ink flow Improved needle guidance for ultra-precise and omnidirectional work Even ink distribution of all individual tattoo needles for better results and less skin trauma Cheyenne-typical, microscopic 100% quality control Colored caps for easy identification of the tattoo needle configuration Patented safety membrane prevents blood from entering the grip and the associated cross-contamination. Manufactured according to medical standard (ISO 13485) Made in Germany The tightness of the safety membrane in our cartridges complies with the requirements of the European standard EN 17169 Tattooing - Safe and hygienic practice. The documented proof of this can be downloaded here. Download it and keep it safe.