... ,D260 Metal Box diamond Dermabrasion Tips & Wands SetD80 D180: Body,Especially for acne,knee,elbow areas and striae of pregnancyD160 D220: Face ... larger blemishesD120 D160 D240: For Scars,fine lines and imperfectionsD200 D260: Eyes and both sides of nose,For wrinkles oil tablts,blackhead ... the D number, the finer the grit.2. Clean diamond tips with Alcohol, then sterilize them with UV light or high ...