"The wrench is made of high-alloy steel, with subsequent heat treatment and grinding of working surfaces, which guarantees high accuracy, strength, resistance to breakage and as a result, a long operation period. Thanks to the ergonomic ribbed handle, the wrenches are easy to use, the main handle provides a reliable hold of the tool and a high rotating moment, and the additional (upper) handle is designed for fast rotation. The wrenches are equipped with a compartment for storing spare screws and other small things. Size: 4.0 mm Handle diameter: 18 mm Total length (adjustable): from 100 to 195 mm Handle length: 90 mm"