Upgrade your toolkit with our versatile flexible shaft extension chuck, compatible with electric drills and rotary grinder tools, enhancing your efficiency across various tasks. Experience precise carving with high concentricity, ensuring stable and secure operations. Its clamping range of 0.3 to 6.5mm enables tasks like polishing, engraving, drilling, cutting, grinding, shaping, and sanding. Crafted from premium rubber, ABS, and aluminum alloy, it offers top-notch efficiency and heat resistance. The advanced handle design minimizes vibration, preventing fatigue, providing a secure grip, and enabling superior maneuverability and speed. Perfect for American buyers seeking quality and functionality. Specification: Item Type: Flex Shaft Extension Chuck Material: Rubber + ABS + aluminum alloy Purpose: Suitable for electric drill rotary 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 Shaft 1 x Handle 2 x Wrench Note: 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 12 hours after the first use, which is a normal wear and tear period.