This roller is suitable for eyebrow tattoo, eyeliner tattoo and lip tattoo. It can store pigment, 10 minutes faster and easy to coloring, which can promote the tattoo working efficiency . Needles size with 7mm/10mm for choose to meet your demands. Features: Stainless steel material is noncorrosive easily and stable, which can create a safe and healthy environment for tattoo work. Can store pigment, 10 minutes faster and easy to coloring. It is sterilized by gamma rays and packaging with the latest sealing technology. Used with eyebrow tattoo pen, which is ideal for eyebrow tattoo. Disposable for single use only. Suitable for eyebrow tattoo, eyeliner tattoo and lip tattoo. Needles are sharp and elastic, make the eyebrows fog shading. Spiral connector to prevent flying needle. Needles size with 7mm/10mm for choose. Specification: Item Type: Eyebrow Tattoo Tool Material: Stainless Steel Item Color: As Pictures Shown Roller Length: 2.4cm / 0.9inch, Diameter: 0.7cm / 0.3inch(Top), 0.5cm / 0.2inch(Bottom) Optional Type: 01#10pcs Size L, 02#50pcs Size L, 03#10pcs Size S, 04#50pcs Size S Package Weight: Approx. 10-50g Package List: 01# / 02# / 03# / 04# .