Description: 8 grinding head can be used interchangeably?easy to use?safe and not injure hand. A plastic peeled head - the removal of dead skin nail corners. 2 cone-shaped metal grinding heads - for nail repair type. A small cylindrical metal grinding - for nail repair type. 3 flat metal grinding heads - for nail polish edge, so that the nail clippings and more smooth. A wool felt polishing head - for nail polishing the surface. Using ergonomic design, stylish, feel good; 8 kinds of grinding head interchangeable, easy to use, safe and not hurt the hand. There is air dry function. Specification: Material:ABS Size:approx. 25x19x12 cm/9.8x7.5x4.7 inch Package Includes: 1 Set Manicure Tools