ELITE Needle Cartridge · ELITE Needle Cartridge are manufactured with the highest quality control in the industry. · Cartridge tips are made from medical plastic. · Big range of configurations -- 126 needle configurations meets all artworks requirement. · The cartridges made and assembled in the most hygienic condition. · 100% sterilized by E.O. Gas. -- you can send some to Lab to verify at any time at any lot !