Detail 12 pcs. Polishing Head Nail Drill Tools With 7 Pcs Tungsten Carbide Glass Attachment Carbide Parts Set19 Pieces Hand Accessories: 7 x Glass Drill Bit and 12 x Nail Drill BitsIt has strong strength and wear resistanceThe incision resistance is small, increases the opening speed, long service lifeIndustrial grade coated carbide point with 4 cutting edges It can be installed in a hand drill, electric drill. Suitable for ceramic, granite, tile, stone, wood, plastic, concrete wall is a drilling holeMaterial: Ceramic+Stainless Steel+MetalColor: Brown+Purple12 styles of ceramic electric drill bits for manicure or pedicure. These grinding heads are made of ceramics, shapes, convenient squeezing, protecting the skin and convenient to use. Equipped with a compact plastic case for storage, it not only keeps your drill bits organized, safe, and dust-free, but also convenient to take with you. Having grinding, polishing, peeling, drill bits, radian carving function, it is suitable for natural nails as well as artificial nails. Suitable for use on acrylic or UV gel. Nail Drills: Suitable for nail salon or personal manicure pedicure, DIY nail art at home. Package Size: Application 14x5.5x2cm Shank Diameter: Application 2.35mm Weight: 84g Usage: Rotary Sander Switch with Handle, Insert the Sanding Head, Turn the Switch. Turn on the sander switch, adjust the speed. Fold your nails. Glass Drill Bit: Bit Type: Plate & Glass Drill Bit Coated: Titanium Drill Bit Diameter: 3mm/4mm/5mm/6mm/8mm/10mm/12mm Package Content: 7 x Glass Drill Bits12 x Nail Drill BitOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.