Quality MaterialCrafted from highquality tungsten carbide these nail drill bits are sharp durable and delicately designed With proper care the nail drill handpiece ensures longlasting use Versatile Grit and ShapeThe manicure drill set features 3 types of grit Coarse grit Fine grit and Medium grit Suitable for various nail design tasks including shaping polishing smoothing and grinding Universal CompatibilityThe 332inch shank size makes these nail drill bits suitable for most electric or rechargeable manicure nail file machines Perfect for use in nail salons beauty parlors spas or personal DIY nail art at home TwoWay RotationOur drill bit set for acrylic nails can be applied for smooth cutting with both hands clockwise and counterclockwise which is convenient for switching between left and right hands Also friendly to lefthanders making your nail work easier and more enjoyable Easy to Clean and SterilizeResistant to rust and corrosion the pedicure drill set is easy to clean and sterilize Ensures hygiene and longevity with proper maintenance