JCONLY VETAR Needle Cartridge was created by JCONLY Team. All tattoo needles with medical grade PC material shells. The cartridge needle is made of Japanese standard medical stainless steel. With sharp needle points and neatly arranged. Vetar cartridges are made and assembled in the most hygienic condition 100% sterilized by E.O. Gas. The special design meets the professional tattoo artist's demand.