Good quality: using hard grinding wheel material, high hardness and wear resistance. Adjustable: with 3 adjustable gears, low-grade green, blue medium quality, high quality red. Easy to use: it is mainly used to trim your pet’s nails and keep the pet clean and hygienic. Design reasonable: with low vibration and low noise, it can avoid scaring pets and cut nails easily. Widely to use: automatic nail grinder, simple operation, strong power, suitable for most pets.