540 needles titanium MT derma roller Scar removal including acne scar removal or treatment. Stretch mark removal Anti ageing Fashional design! 540 needles stainless derma stamp micro needle therapy MT roller derma roller Parameters: - needles: 540 needles -Roller color : red/green/blue/yellow -Handle color : black / transparent /white -Needle material : stainless needle -Handle/Roller Material : ...