EM-Tec extra large preparation stand for 57 SEM pin stubs Extra large preparation stand for 57 of the standard Ø12.7mm pin stubs or 18 of the Ø25.4mm pin stubs. Can be used for all sizes of the SEM pin stubs. Compatible with the standard 9.5mm pin length and the shorter 6mm Zeiss pins tubs. Ideal for preparation, handling and storing of many small pin stubs or multiple larger diameter pin stubs. Reference notch in one corner to define the positions of the stubs. Made from clean room compatible aluminum sheet with 4 nickel plated brass feet. Overall size is 187x89x12mm