We have created this start-up kit so when you FE-SEM is delivered you will have everything you need to start imaging! It includes Specimen Mount Adapter Pin, M4 Thread; Multi-unit Spec Mount 4x3.2mm; A package of 100 12mm Pelco Tabs: Standard SEM Pin Mounts; Pelco Swiss-style #7 Tweezer; Pelco Mount Tweezer; Storage container for SEM Mounts;Specimen Holder and 1/16” Ball Driver.