Specification Item Type: Nail Drill Pen Material: Stainless Steel Size of The Drill Hold: 2.35mm Weight: 135g Size: 2.5*17cm/0.98*6.69in Package List 1*Nail Drill Pen Features Durable and solid for longer use. Low noise, low vibration. Small and easy to operate. Great for reshape your nail and make it thin Suitable for pedicure and manicure nail drill Quiet and smooth - very low vibration design for comfort grip. Sturdy and lightweight handpiece manicure with latest Twist-Lock type of chuck (no need for tools, just twist handpiece to lock attachment) The handpiece fast heat dissipation,which can effectively extend the life. Powerful & light weight professional quality drill for beauty salon, beauty student, home use Note: Please pull out the grinding apparatus in secondary mobile telephone after using to avoid clamping a device losing elastic force untimely. Pay attention to keeping cleaning for the product. Please control the rotating speed of handpiece manicurewithin the limits as is appropriate for operation