Material: Use high quality stainless steel, needles are sharp and elastic for quick piercing, Painless to make a beautiful eyebrow line. Apply to: This makeup tattoo needling suit for Charme Princesse EM403 permanent makeup machine. Safety: E.O Gas Sterilized. single-use design to makes sure avoid infection. Easy to Use: The permanent needle easy to use and suitable for beginner, apprentice or the confirmed tattoo artists looking. Available Size: This tattoo makeup needle provides 1R, 3R, 5R, 5F, 7F for your selection, each style includes 10pcs, you can choose it according you demand.