this review title is: not for natural nails and the content is: ok now let me say these are very good for filing nail shaping as for buffering if ur not careful they will buffer ur natural nail right off perhaps i missed it but i think these are meant for acrylic not natural nails sides are extremely coarse on is better for buffering natural nails and the side is for polishing after buffering i will have continue my search.there are other information for this review, one is this reviewer did purchase it and the other is 0 people think this review is helpful.