These Roller Wheel Needles are individually wrapped and E.O gas sterilized. Great addition to your microblading equipment. Great for eye brows and easy to use. Available in 2 size: 9.3mm Liner & 6.3mm Shader. All Disposable and one time use. We also offer a variety of handles to work with your Roller Wheel Needles. *****Expired 11/23******