Need to fasten something in a tight space where the screws are hard to reach? Choose this RS PRO screwdriver or nut setter to tighten or loosen screws with a hex (hexagonal) head type. Its total length of 50 mm helps you reach areas that would otherwise be unreachable. The unit has a magnetic insert to hold the fasteners, allowing you to keep your hands free. It comes in a compact plastic box so you can keep your pieces protected and neatly stored. This nut setter screwdriver has been tested against electrostatic discharge (ESD) requirements and conforms to BS EN 61340-5-1:2007 and ANSI/ESD S20.20:2014 standards. This means you can be sure that your workspace will be protected against discharge.