Easy to Use Step 1Get pets familiar with the smell, shape & sound,or touchs their feet without switching it on to reduce fear and resistance. Step 2 Cut any pets' overlong nails with a nail clipper first if required. Step 3 Use pet nail grinder to grind the sharps nails into blunt; Choose a speeds to file the sharps nails, file slowly when near to the quick, use no more 10 seconds each time and let your pet relax in between. Step 4 Reward pets with snacks to make them loves grinding nails Safe and Painless Our nail sander is made with Diamonds Bit Grinder, which is safer and more effectve than nail clippers in the market to trim nail sutures, no worries about overuse, nasty pain or bleeding. The Pet Nail Trimmer has three for different sized nails. You can choose a suitable one according to the size of the pets and features of their nails. The removable diamonds grinding wheel is easy to facilitates the trimming of pet nails and lets your pet enjoy your cleaning. Come with extras diamonds grinding bit. Specification: Item Type:Nail Grinder Weight: Approx. 203g Battery:NI-MH battery 600 m A Charging time: 5 hours Woking time: 5 hours Motor speeds: 6500 RPMCertification: CE/ROSH/FCCNoise dB: 40dB Package List:1 x Nail Grinder1 x USB Cable1 x Grinding Heads