These are the best garage and household nail brushes on the market. Designed to provide the right scrubbing action needed to throughly clean your nails and hands. The block is made of a molded hard white indestructible plastic with grooves on the side to provide a better grip. The brushes can be sterilized without harming the synthetic nylon bristle. You have your option of a stiffer version made with black nylon, which has a shorter trim or a softer version made with white nylon with a longer bristle trim. If you want the perfect nail brush, look no further then the ultimate nail brushes, you wont be disappointed.