Astro 78619 18pc Brake Caliper Wind Back Tool Set & 8pc Professional Brake Tool Set Provides both left-handed and right-handed thrust bolt assemblies Complete set of adaptors for a wide range of vehicle applications Designed for push back and wind back brake pistons Left-handed thrust bolt required for Ford, Citroen and Renault applications Adaptor plates with thrust bolt assembly and reaction plate are precisely made which prevents damaging pistons and seals