Pedi Paws Dog Nail Grinder by BulbHead - Professional Style Dog Grooming Using Gentle Filing Wheel for Your Pet&#39;s Happy Paws Dog Nail Grinder wont cut sensitive nerves like dog grooming accessories such as dog nail clippers Unique protective cap contains clipped filings to prevent mess Precision emery filing wheel with a soft sound gently removes thin layers of nail Pet nail grinder appropriate for dogs and cats of any age or size Pedi Paws requires 2 C batteries (sold separately)