Features With 6mm Chuck: 6mm chuck with 0.3 to 3.2mm clamping range enables easier using with various rotating tools. Easy Operation: The total length is 106cm, which ensures better flexibility and efficiency in the operation. Simple to Hold: PVC handle is very comfortable to hold, also simplifying the working in hard to get spaces. Practical Uses: Allows for wide application in fine carving, polishing, dust removal and so on, very useful. Easy to Install: Comes with a light weight and a compact size, the installation is very simple to complete. Specification: Item Type: Drill Bit Extension Material: Rubber + PVC Total Length: Approx. 106cm / 41.73in Chuck Clamping Range: Approx. 0.3 ~ 3.2mm / 0.01 ~ 0.13in Handle Length: Approx. 110mm / 4.33in Handle Diameter: Approx. 20mm / 0.79in Package List: 1 x Drill Bit Extension Note: 1. After connecting to the machine and before turning on, please always hold the handle of the flexible shaft, otherwise, the flexible shaft may vibrate violently and may cause serious injury; 2. Do not bend the flexible shaft excessively during operation, otherwise it may cause overheating. Store the flexible shaft with little bending. If overheating occurs, please stop using it immediately; 3. The soft shaft is used as a detail polisher. The diameter of the grinding head or blade cannot exceed 8mm, and the machine should be adjusted to mid range. For example, the 6 speed machine can be adjusted to 3/4 (about 20000r/min). Package List 1 x Drill Bit Extension