Umupira wa Screw ni ugurisha cyane umupira ukora umupira ukora ikintu kizunguruka hagati ya screw axis nimbuto. Ugereranije n'imigozi isanzwe
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Imigozi yumupira hamwe numupira wamaguru
KGG yibanze kuri Hybrid, Compact hamwe no mubwibone. Imiyoboro yumupira hamwe na spline yahagaritswe kumurongo wumupira, ibi bishoboza kwimuka kumurongo no kuzenguruka. Mubyongeyeho, imikorere yo guswera ikirere iraboneka binyuze muri Bore Hollow.
