Description: Multi-Use: Carving, Engraving, Routing, Grinding, Sharpening, Sanding, Polishing, Drilling and more This is great for all types of nail work from sculpting, buffing, to polishing. Compact and easy to store or take with you. Great for a salon or home use, it can be applied on real nails / acrylic nails, suitable for pedicure and manicure. This a set of most commonly used nail filling bits kit for nail electric drill, includes 9 different heads for different needs. Specification: Operated by 2 AA Batteries(batteries not included) Material: Plastic Size: approx. 16.5x3 cm / 6.50x1.18 inch Head Size: approx. 5 cm / 1.97 inch Package Includes: 1 piece Nail Machine 9 pieces Heads