Get the complete set!  you will love this product so much you will want the replacement grinders, this is a top seller!

Item Type: Electric Manicure Drill & Accessory
Model Number: 77807
Brand Name: Ms.Dear
Size: 1pcs
Material: Plastic
Plugs Type: USB Cable
Item name: Rechargeable Dog Nail Grinders
Model: Manicure Machine, nail drill, Pedicure tools, nail tools
Funtion: Nail polish, nail dotting pen, nail file
Power by : USB Cable
Using time: About 3 hours
Motor: 2.4 V powerful long life motor