HANAFY 30/1 RLLT Cartridge Kits (20 pcs)This cartridge features a single 0. 30mm round liner needle with a long taper, designed for creating smooth, precise lines in any permanent makeup area. The steel needle is engineered to not wear down the plastic cartridge, maintaining sharpness over time. A membrane ensures complete protection against ink backflow, and its medium firmness minimizes vibration and provides excellent skin contact. Each cartridge is individually packaged. Specifications: