This is the 27mm wrench that is used to tension the timing and balance belt rollers. It is made from thin material with an offset bend to aid access in the limited space there is to work.
The wrench is made from aircraft quality aluminum, anodized clear then laser etched for identification.
This wrench will work with all timing belt and balance shaft belt rollers found on the Porsche 944, 951, 924s and 968