<ul><li>Material: stainless steel. Needles are sharp and elastic, make the eyebrow line beautiful.</li><li>Packed with individua bags, safe and durable. For disposable using only.</li><li>8mm screw needle cartridge, just fit for Premium Charmant machine with 8mm diameter screw.</li><li>Good choice for the permanent makeup beginners or professional artists.</li><li>Available Sizes: 1P, 3P, 5P, 5F, 7F.</li></ul> Features: Material: Stainless Steel Screw diameter: 8mm Suitable for eyebrow, eyeliner, lip permanent makeup. For the Charmant Machines with 8mm needle port. Product Descriptions: 10pcs X 8mm Screw Needle Cartridges

50pcs Microblading Cartridge Needle for Charmant Device Permanent Makeup Machine Pen Charme Princess Tattoo Machine Needles (50pcs 7F)