Holds up to eight Ø12.2mm or Ø12.5mm JEOL cylinder mounts (#16231 and 16232).
Dimensions are Ø50.5 x 10mm tall (without pin).
Removable pin is 9.5mm length x 3.2mm diameter.
Made of machined aluminum with stainless steel set screws.
Allen wrench included.

Screw used is 6-32 x 1/8, hex set screw, stainless steel.