Comfortable Design: with comfortable PVC handle, compact and lightweight, convenient and easy to operate, more suitable for long time operation Convenient & Flexible: easy attaches to rotary tool in seconds, electric grinder with flex shaft, easy to reach hard-to-reach pipes, interfaces, corners, etc Widely Application: Flex Shaft is suitable for fine carving, dust removal, fine polishing, sanding, etc Strong Applicability: The maximum load speed for the flex drive shaft is 35000rpm, a total length of 107cm, expand the scope of work Ideal for Intricate Work: Flexible drive shaft is compatible with the Pro-Max rotary hobby tool, compatible with most rotary tools