Electric Nail Drill Machine- Misssix USB Electric Nail Drill Efile Nail Drill Kit for Acrylic- Nail Drill Files Machine Polishing Shape Tools with Nail Drill Bits and Sanding Bands

Features & Advantages: 1.Variable speed control: 0 to 20,000 RPM 2.Light-weight design for precise operation, easy to carry around! 3.Suitable for pedicure and manicure 4.Quiet and smooth 5.The nail file can be used for natural nails as well as artificial nails 6.For professional studio use or home use 7.Size: 6.2" INCHES 16cm (L) x 2.4cm (Diameter of handpiece) You press the silver button. Rotate the drill head counterclockwise, this will open up the drills socket so you can put the bit in, you'll be able to see the socket expand as you rotate counter-clockwise. Still pressing the silver button, stick in the bit. Still pressing the silver button rotate the drills head clockwise until the bit locks in place every clockwise turn closes and tightens the socket. Now you can stop pressing the silver button and you are all set to work on your nails Note: Keep the silver button pressing until the bit is inserted tightly in the cap.