Pet Nail Grinder Head Coarse Filing Replacement Diamond Wheel For Dog TrimmerTo ensure the best experience with a Dog Nail Grinder you need to properly maintain it, it is recommended that you replace the grinding head every 2 3 months. Made with a high quality diamond bit, the coarse filing solid wheel will ensure that your pet grooming routine is quick and pleasant. Features: High quality diamond bit: dog nail grinder wheels are made out of solid diamond emery material Washable: dog nail grinder head has been designed so it