Wahl's Classic Nail Smoother is a battery operated nail grinder kit that is ideal for trimming, shaping and smoothing rough nails on small pets including, cats, dogs, hamsters, guinea pigs, rabbits, and birds. Now pet owners can easily achieve professional nail trimming results at home quickly and efficiently. Not recommended for use on large breed dogs or any animal with thick nails, a more powerful grinder is often required for thicker nails. Clipping your pet's nails can be a tense and sometimes painful experience for them, and for you. Ease the tension and prevent the stress and anxiety of trimming your pet's nails by using the Wahl Classic Nail Smoother, while preserving your pet's natural nail by shaping and smoothing gently.