The nail drill machine set includes control box, handle, 6 grinding heads, operation lever bracket and foot pedal switch. Foot pedal switch and speed regulation button for speed adjustment, more convenient to use. Features: The speed can be controlled by foot pedal, which is more convenient to use. The speed can reach 30,000 rpm, strong power adjustable. Stepless speed regulation, forward and reverse adjustment, to meet the use of various occasions. Adopt fast mechanical clamping method, more reliable clamping. Operation lever heat dissipation device, long-term use will not cause overheating and scalding. Specifications: Material: Plastic Color: White, Black, Pink, Rose red, Gold (optional) Plug Type: 4 types (optional) Package Weight: 800g / 28.22ounces Package Size: 255 * 185 * 85mm / 10.04 * 7.28 * 3.35in Note: There are 4 kinds of plug types for your choice, please choose one suitable for your country. Package list: 1 * Quick Mechanical Clamp Series Handle 6 * Grinding Heads 1 * Operation Lever Bracket 1 * Foot Pedal Switch 1 * Control Box 1 * Plug Cable