The W80601 33pt Injector Pump Socket from Performance Tool is essential for mechanics dealing with Mercedes Benz diesel engines. Its precise design guarantees accurate performance and provides easy installation and removal of the pressure valve holder on MRSF-ERE injection pumps. This socket is compatible with various models from 1982 onwards and built with durable materials for longevity, assuring users of a dependable tool for Mercedes Benz injection pump repairs.