VERY SMOOTH
first it would have been nice to have some directions in English. other then that its great the best part everything is smooth when you file your nails. and I really do like the buffer part. I just was wondering about haw long these last .  no way of knowing no English directions. [[ASIN:B01H3B7JNO Shinail Crystal Glass Nail File And Nail Buffer Shiner Nail Polish Manicure Tool For Natural Nails Baby Nail Care with Leather Protective Carry On Pouch Valentine's Day Gift]]
Rating: 4 stars