Brand new flexi drill drive shaft. Compatible with most rotary tools. Pan grip ideal for intricate work. Will accept 3.1mm mandrels. Max speed 35,000rpm. Overall length of the tool is 1070mm. Features include a flexi drill drive shaft, compatibility with most rotary tools, pan grip, acceptance of 3.1mm mandrels, max speed of 35,000rpm, and a length of 1070mm. The pen grip allows fingertip control for intricate work and is ideal in confined spaces. It is compatible with most rotary tools including Silverline, GMC and Dremel, and ideal for use with the Silverline Telescopic Hanging Stand and Silverline Rotary Tool. Maximum speed is 28,000rpm.