Designed for pet,proper roughness and radiant nail file Simple design,safe shape,no extra sharp,rough surface for easier grinding of nails Service: We love our customer, your satisfaction is our priority, contact us if you have any question, we will try our best to solve any problem you meet. Please be reminded that due to lighting effects, monitor’s brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item. It is made from the finest metal and hardened and tempered for long service life