Feature:1. Convenient and Flexible: Can be connected with rotating tools, flexible shaft makes work handy, convenient and flexible2. Advanced Handle: Advanced handle can reduce vibration to prevent fatigue, provide better grip to achieve higher maneuverability and higher speed3. Application: When flexible shaft is used with straight die grinder, can be used for polishing, engraving, drilling, cutting, grinding, shaping, sanding and other operations4. High Working Efficiency: Shaft adopts high quality materials and perfect craftsmanship, high working efficiency and not easy to heat up5. Stable Operation: High concentricity of the shaft joints, accuracy carving not easy to shake, stable operation, and high safetySpecification:Item Type: Flex Shaft Extension ChuckMaterial: Rubber + ABS + Aluminum AlloyPurpose: Suitable for electric drill grinder toolsChuck Clamping Range: Approx. 0.3-6.5mm / 0.01-0.26inJoint Diameter: Approx. 6mm / 0.24inMaximum Speed: 10000 RPM.Package List:1 x Flexible Shaft1 x Handle2 x WrenchNote: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.