Steel: 6140CrV 44-48 HRC Nickel plating A: 12mm B: 13mm Length: 150mm The hinged combination wrench is a non-detachable version of a drive and extender with a hinged twelve-point socket head (180° tilt angle). It combines the capabilities of a socket head and a stub profile. Designed for efficient use and transfer of significant force when working in hard-to-reach areas. Turning the socket head parallel to the body of the wrench allows for quick loosening and tightening of fasteners when significant force is not required. The stub profile allows for working with fasteners in cases where access to the fastener is only possible from one side. You can also buy sets of hinged combination wrenches 516 061 and 516 091.