For damage-free removal and installation of the clutch hubs on these air conditioning compressors: GM-Harrison DA-6, HR-5, V-5, A-6 and early R4; Nippondenso Ford/Chrysler A590, C171, FS-6, 6P148A (new style); Sanden & Sankyo; York/Tecumseh HR980; Zexel/Mitsubishi CH series. Set includes a removing flange, plus forcing screws and adapter assemblies to remove and install virtually all clutch hubs. Includes blow-molded plastic case.