Feature:1. Corn Bit: Used to remove nail UV gel, acrylic gel, extension gel, etc., to modify overflow glue of the nail edge , corn head design will not hurt the surrounding skin.2. Brush Bit: Clean your nails of crumbs and dust, help clean the deep area of the nails, easily wipe clean the nail drill bit for acrylic nails and so on.3. Cone Bit: Polish nails before applying nail gel and after removing nail gels, making the nail smoother and more shining.4. Needle Bit: Used for trimming and removing dead skin from nail edges, polishing inside nail edges and removing nail decoration rhinestones.5. Ball Bit: Ball grinding head to polish stains on nails or bumps on real nails, cleaning sidewalls and under the nails and prep for backfills.Specification:Item Type: Nail Drill BitMaterial: Tungsten CarbideQuantity: 8pcs Package List:8 x Nail Drill Bit