KRISMYA Microblading Needles 60pcs S7,S12,U18 Assorted Permanent Makeup Manual Eyebrow Tattoo Needle Microblading Blades Features: -The Microblading Needles is made of medical grade stainless steel. -For disposable using only. Individually packed. -Excellent stability, less vibration. Safe and durable. -You can insert the microblading blade needles into eyebrow microblading pen. How to insert the microblading needles into eyebrow tattoo pen: 1. Unscrew the microblading pen tip 2. Pull out the microblading needle solt from the tip 3. Insert the needle into needle solt from the side 4. Adjust the length of the needle depends on your needs 5. Put it back into tip after inserting the needle 6. Screw on the microblading pen tip Package Includes:10 Pcs S7 Eyebrow Tattoo Needles,30 Pcs S12 Eyebrow Tattoo Needles,20 Pcs U18 Eyebrow Tattoo Needles