Locks camshaft when changing cam belts etc. For use with Rover Group Metro 1.4 (100 Series) GTa, GTi May 1990 on; Rover 214 16 valve Si, SLi, GSi Oct. 1989 on; Rover 414 16 valve Si, SLi, GSi March 1990 on. Manufactured from anodised aluminium. Display packed.