This Dremel SD60-PGK Pet Grooming Discs are designed to fit inside the Dremel pet grooming nail guard and feature the EZ Lock mandrel for quick accessory changes. With a grit of 60, these discs are ideal for pet nail grooming and can also be used for general sanding purposes. Each pack contains 10 discs and is compatible with the Dremel 7020-PGK Pet Nail Grinder.