Designed for the miniature fasteners this basic aluminum handle comes with a 2.25mm hex nut wrench #29212. The hex wrench is for hex nuts that measure 2.25mm across the flats of the hex material or across the Star corners. Please note we also carry wrenches for 2.0mm and 2.5mm hex material. Our handles are assembled in Seattle all components are made in the US. Our business has been making them for over 25 years we have sold 10's of thousands.