Mast Cyber Permanent Makeup Professional Cartridges Needles Round Liner- Box of 20The overall structure is reasonable and stable. Every detail is used by professional artists carefully considered. Mast optimized needle tip internal structure makes the ink flows more slowly and smoothly, saving ink, and working well. A slim cartridge tip design and transparent shell which it easy to observe the movement of the cartridge, making each piercing more accurate. Optimized for artists soft silicone protector grip, holding soft and