General description 105Cm Universal Aluminum Flexible Shaft Grinder Flex with Keyless Chuck 1/8 Connector is a high-quality tool designed for use with grinder attachment rotary tools. It features an aluminum handle shank that provides good flexibility and high concentricity, making it ideal for various applications. Technical specifications Type: Non-slip flexible shaft Length: about 105 cm Port inner diameter: 3.175 mm Port outer diameter: 7.8 mm (includes M8 keyless chuck) Color: grey + silver Keyless chuck type: Keyless / Quick Change Clamping range of keyless chuck: about 0.5-3.2 mm Material: ABS + metal Maximum speed: less than 8000 rad/min Compatibility and accessories Compatible with electric grinders that can clamp a 3.175 mm shank Package includes: 1 set of flexible shaft with M8 keyless chuck