Welcome to my store, I hope you have a great shopping experience here. We will keep updating a lot of new products, and there is definitely one for you. Item Name: Nail Polishing Head Features: Multifunctional, Safe, Sturdy Color: Yellow, Red, Blue, Green, Black Material : Tungsten Steel Size Details: 12cm/4.72" (Approx.) Ingredients: dimethyl diisocyanate cross-linked polymer, simethicone Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Yellow Nail Polishing Head: Extra-fine sanding, quick nail removal, for novice use, round tip design will not hurt the skin with fine sanding. It can be used to remove phototherapy gel crystal nails, with a fast removal speed, and can also be used to polish the bumps and dead skin on the surface of the nail.Red Nail Polishing Head: F is finely polished, and the polished texture is finer. It is used to remove the nail polish to modify the spilled glue around the nails.Blue Nail Polishing Head: M medium grinding texture, used to remove phototherapy nails, crystal nails, extension glue, nail grooves, nail polish, etc, and the removal speed is fast.Green Nail Polishing Head: C rough grinding pattern, used to remove phototherapy glue, extension glue, crystal nails, etc. The pointed round head design will not hurt the surrounding skin, C is coarse teeth, and the nail removal speed is fast.Black Nail Polishing Head: XC special rough grinding pattern, used to remove thick nail styles such as phototherapy glue, crystal nail, carved glue, etc. Package Includes: 1 x Nail Polishing Head