Standard low profile, short and long pin with M4 threads to convert any of the Modular SEM Specimen Holders into a pin stub type holder. Can be used on Cambridge, Leica, CamScan, Tescan and FEI/Philips SEMs. Short pin for Zeiss/LEO SEMs, long pin for AMRAY SEMs. This arrangement will add height to the total assembly and is not recommended for larger specimen holders or heavy specimens.