EM-Tec J12P JEOL Ø12.2x10mm adapter for pin stubs with Ø3.2mm diameter standard and short pins. Set screw is used to secure stem of the pin stub. Facilitates the use of the popular SEM pin stubs on JEOL SEMs. Machined from vacuum grade aluminum. Overall size is Ø12.2x10mm. Includes allen key.