Features:1. 1 \/ 3 \/ 7 \/ 9 \/ 12 \/ 36 Pin silver golden silicon wafer needle cartridge tips micro needles、 for micro needle pen.2. These micro needles used for micro needle pen、 help your skin lighten color、 spot & dark sore reduce、 pore thinning、    decrease slender line、 relief stretch marks、 complexion improvement.Description:Item type: Micro needleNeedle length: 4.5mm (Ajusttable 0.25-2mm)Needle material: Medical stainless steelGolden 12 Needle material: PlatinumPort style: Bayonet coupling \/ screw portQuantity:  1PCType: (Please choose the one you like)NO.01: 7 NeedleNO.02: 3 NeedleNO.03: 1 NeedleNO.04: Nano needleNO.05: Golden 12 needleNO.06: 36 NeedleNO.07: 9 NeedleNO.08: Silver 12 needleNO.09: Silicon wafer needlePackage Included:1 X Micro needleNote:The real color of the item may be slightly different from the pictures shown on websitecaused by many factors such as brightness of your monitor and light brightness.