Feature: 1. Convenient and Flexible: Can be connected with rotating tools, flexible shaft makes work handy, convenient and flexible 2. Advanced Handle: Advanced handle can reduce vibration to prevent fatigue, provide better grip to achieve higher maneuverability and higher speed 3. Application: When flexible shaft is used with straight die grinder, can be used for polishing, engraving, drilling, cutting, grinding, shaping, sanding and other operations 4. High Working Efficiency: Shaft adopts high quality materials and perfect craftsmanship, high working efficiency and not easy to heat up 5. Stable Operation: High concentricity of the shaft joints, accuracy carving not easy to shake, stable operation, and high safety Specification: Item Type: Flex Shaft Extension Chuck Material: Rubber + ABS + Aluminum Alloy Purpose: Suitable for electric drill grinder tools Chuck Clamping Range: Approx. 0.3-6.5mm / 0.01-0.26in Joint Diameter: Approx. 6mm / 0.24in Maximum Speed: 10000 RPM. Package List: 1 x Flexible Shaft1 x Handle2 x Wrench Note: 1. Straighten the pipe as much as possible when working, which can extend the service life of the flexible shaft.2. Best to install the machine before using the flexible shaft, can be used after 15 minutes idling at low speed. There will be a little fever for 1‑2 hours after the first use, which is normal wear and tear period.