1、Multifunctional: These nail grinding heads can quickly remove nail glue for cleaning, shaping, cutting, and smoothing to meet various needs. 2、Rotation Operation: These nail drill bits can be rotated to the right or left for smoother operation, suitable for both left and right hand operation. 3、Easy to Use: These nail polishing heads have standard sizes and are suitable for most art nail machines, making them easy to install and replace. 4、Durable Material: These grinding heads are made of ceramic and stainless steel, with high strength, impact and wear resistance, has a long service life. 5、Multiple Usages: These nail grinding bits are easy to operate with less grinding dust, which can quickly reshape, polish, carve and smooth gel nails. 30 x Nail Grinding Head3 x Bracket Item Type: Nail Grinding HeadMaterial: Ceramic + stainless steel