this review title is: good purchase and the content is: i like these manicure drill bits and the round sander bits are good too i am learning to manicure and pedicure for my own needs and these bits will be very helpful in my not spending all day trying to remove dead cuticles and calluses i have psoriasis and my skin grows fast and builds up on my feet now that i am getting older.there are other information for this review, one is this reviewer did purchase it and the other is 1 people think this review is helpful.