1. VERSATILE USE: The electric nail drill set is suitable for various purposes including nail filing, foot care, polishing, gel nail removal, and even pet nail grooming. 2. MULTIFUNCTIONAL: From removing calluses, nail peeling, and callus removal to nail buffing and scrubbing, the electric nail drill set offers a wide range of functions to enhance your nail caring routine. 3. EFFICIENT AND PRACTICAL: Keep your nails looking clean, shiny, smoothly, and well groomed with the high efficiency and practicality of the electric nail drill set. 4. LIGHTWEIGHT AND PORTABLE: With a compact size and lightweight design, the electric nail drill set is easy to carry and transport, allowing you to perform nail caring tasks anytime, anywhere. 5. PROFESSIONAL TOOL: Designed for easy operation and professional results, the electric nail drill set is suitable for both home and salon use. Spec: Item Type: Electric Nail Drill Set Material: ABS Length: Approx. 14.5cm / 5.7in Speed: 15000RPM Rated Voltage: 4.2v Battery Type: Lithium Battery (shipped with built in battery) Battery Capacity: 180 mAh How to Use: 1. Gently press the head shaft into the grinder inlet 2. Do not use any tools on the head hammer. This may cause damage to the head and device 3. To remove the head, gently slide the shaft out of the device Tip: Do not use any tools PackageList: 1 x Nail Drill (Shipped with Built in Battery) 2 x Boxes of Grinding Heads (with Plastic Boxes) 1 x Pack of Grinding Rings 1 x Brush 1 x Charging Cable 1 x User Manual Note: Please allow 0 to 0.5cm error due to the manual measurement.MULTIFUNCTIONAL: From removing calluses, nail peeling, and callus removal to nail buffing and scrubbing, the electric nail drill set offers a wide range of functions to enhance your nail caring routine. VERSATILE USE: The electric nail drill set is suitable for various purposes including nail filing, foot care, polishing, gel nail removal, and even pet nail grooming. EFFICIENT AND PRACTICAL: Keep your nails looking clean, shiny, smoothly, and well groomed with the high efficiency and practicality of the electric nail drill set. PROFESSIONAL TOOL: Designed for easy operation and professional results, the electric nail drill set is suitable for both home and salon use. LIGHTWEIGHT AND PORTABLE: With a compact size and lightweight design, the electric nail drill set is easy to carry and transport, allowing you to perform nail caring tasks anytime, anywhere.