These are some professional and practical nail drill bits, using sturdy material, durable and practical, good for long period using. The drill bits use a grinding action to remove dead skin, creating less dust with little friction and heat. Easy to use and take due the small size and light weight, convenient to store, suitable for professional nail salon or home use. Features - ColorAssorted Color -Material:Tungsten steel - Size: 3.90X0.60X0.60cm/1.53X0.24X0.24in -The nail bits adopt sturdy materials, with perfect grinding effect and support . -Practical nail drill bits have wild range of application, suitable for nail beautify, nail polishing, nail , peeling, etc. -Manicure bit is proper for acrylic nails fit most professional electric nail drills, easy to install, convenient to use. -Our nail bits for nail drill can help you remove the dead skin and reshape your nails . -Share this nail drill bit with your female friends and family who like to DIY nail art, suitable for home personal or salon use. Package list: 3 x Nail Bits