Easy to Clean: The acrylic nail sets are corrosion resistant as well as no clogging for nails. You can easily clean the dust on the bits or nails with a nail brush, protect the bits after each use, and keep you and your client’s nails healthy. Premium Carbide Material: The hardest material next to diamonds. Strength, good cutting performance, low heat generation, less dust, and long service life. Two-Way Rotation: These brocas para drill nails can be rotated to the right or left to achieve smooth cutting in clockwise and counterclockwise directions.Suitable for Both Left and Right-Handed. Multi-function 5-in-1 Drill Bit: The surface roughness of the acrylic nail drill changes from fine to thick from top to bottom. Can be used to clean, shape, cut, smooth, and remove. 3 Size in 1 Nail Drill Bits: Quantity: 3pcs | Color: Silver | Grit: Extra Fine -XF, Fine-F, Medium-M (XF+F+M) | Shank Size: 3/32'' | Direction: Two-Way Rotation | User: Beginner, Experienced, Nail Tech, Salon, etc.