EM-Tec GZM4 compact Zeiss pin stub adapter with M4 thread, gold plated brass, short Zeiss pin

Hitachi HV40 older style T-base SEM stage adapter assembly, compatible with S-4700, S-4500, S-4300, S-42300, S-4100, S-4000, S-800 FESEMs and S-3600N SEM