The detachable protective cover prevents the nails from flying around and is easy to clean. The bottom is equipped with a file for good smooth and neat effect without rough konts. Stainless steel headKnife edge hardness Waterproof , Safe and Sharp. Thick Spring Automatic Rebound, Easy Labor Saving. The nail clippers are designed for small breeds kittens, cats, rabbits, puppy, chinchilla, guinea pig, and more.