#10 Polydrive bit end services camshaft adjuster bolts, where clearance is critical, as found on VW/Audi 2.0L turbo BPG & BPY engines. 53mm long with 1/2" square drive.
Special oval shaped bit end services Suspension Strut Housing Nuts found on some VW & Audi models Also fits some BMW, Seat, Renault, Peugeot 3/8" square drive