Feature:1. MAKE WORK HANDY: Extension chuck adapter is connected with rotating tools, flexible shaft makes work handy2. PROVIDE BETTER GRIP: Advanced handle can reduce vibration to prevent fatigue, and provide better grip for higher maneuverability and higher speed3. USED FOR POLISHING, ENGRAVING, DRILLING, CUTTING: When the flexible shaft is used in conjunction with a straight die grinder, can be used for polishing, engraving, drilling, cutting, grinding, shaping, sanding, etc.4. HIGH WORKING EFFICIENCY: The shaft adopts good quality materials and perfect craftsmanship, which has high working efficiency and not easy to heat up5. NOT EASY TO SHAKE: The shaft joint has high concentricity, the accurate carving is not easy to shake, the operation is stable, and the safety is highSpecification:Item Type: Flex Shaft Extension ChuckMaterial: Rubber + ABS + aluminum alloyPurpose: Suitable for electric drill rotary 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 to extend the service life of the flexible shaft.2. It is best to install the machine before using the flexible shaft, which can be used after 15 minutes idling at low speed. There will be a little heating for 1‑2 hours after the first use, which is a normal wear and tear period.