1. Hannun hannu biyu, tare da hannu biyu masu zaman kansu, coaxial .clockwise da anti agogo, girma ： 19.515 × 12.094mm ， tsawo: 4.25mm (hada da hannun minti).
2. Hannun hannu biyu, tare da hannu biyu masu zaman kansu, coaxial .clockwise da anti agogo, girma ： 19.515 × 12.094mm ， tsawo: 4.25mm (hada da hannun minti).
