★ 【High Grade Material】 - Really soft for the skin. JCONLY Vetar cartridge needles use high-quality 5A-grade PC material and Japanese standard 316L stainless steel needles for safety and durability. ★ 【User-Friendly Design】 - Very precise, sharp, and stable. The cartridge needle shell is thoughtfully designed for comfort, featuring an open needle header, ergonomic anti-skid grip, concave back for finger comfort, and effortless tattooing. ★ 【No Ink Dump】 - Ink flow efficiency. The round liner cartridge needle has a funnel-shaped design for large ink storage and uniform discharge. RL and Magnum cartridge needles have tips crafted to enhance ink flow and storage. ★ 【Safety First】 - Vetar cartridge needles include a membrane to prevent ink backflow and an inner stabilizer for extra machine protection. Sterilized and packaged in a sterile environment with E.O. Gas. ★ 【Various Sizes】 - Available in multiple sizes to suit different tattoo styles, compatible with most tattoo machines. Each box contains 20 PCS cartridge needles, we are constantly innovating and upgrading our products in cooperation with excellent tattoo artists from various countries to provide quality products and services. ASIN B0DLGHJ3PR Manufacturer Rayyl Package Dimensions 6.5 x 3.35 x 1.38 inches; 3.53 ounces