... skin anti-aging. Models:For the skin regeneration1.0, 1.5mm (Use for solutions of thin epidermis, thin wrinkle,decline of ... of ruined skin1.5, 2.0, 2.5mm (Use for solutions of thick wrinkle, large pore, injury scar, pimple scar, severe decline ... of elasticity, etc.) Production Specification Roller Body : Diameter(20mm) * width(MAX*13.5mm)Disc ...