1.Zvose zvinofananidza mibhedha yechipatara.
2.Smooth pamusoro.
3.Made of high-simba einjiniya epurasitiki zvinhu zvine yakasimba uye yakasimba.
4.Hand crank inogona kupetwa
3.Self-Protecive basa kana screws achienda kumusoro.
4.Joint rutsigiro inoitwa yakakwirira simba simbi alloy zvinhu,strudy uye burable.