Titanium Micro Needle Derma Roller-LD-R2 Material: Titanium size: 0.2mm, 0.3mm, 0.5mm, 1.0mm, ... 2.0mm,2.5mm OEM as yours Titanium Micro Needle Derma Roller-LD-R2 About the needle Material: stainless steelsize: 0.2mm, 0 ... to cure, it can puncture more than 250,000 micro vessels on the epidermal within five minutes, form a ... be the preferred method for skin anti-aging. titanium micro needle derma roller