This camshaft locking tool is specifically designed for use on Vauxhall, Opel 14, 16 16 Ecotec engines
OEM Ref KM 852
For Saab 9-3 18 petrol engines: Z18XE (2003-2010)
Astra-G/H, Combo-C, Corsa-C, Meriva, Signum, Tigra-B, Vectra-B/C, Zafira-A/B (1998-2010)