A screwdriver chishandiso, bhuku kana simba, rinoshandiswa pakutyaira screws. Yakajairwa yakapfava screwdriver ine mubato uye shaft, ichipera netipi iyo mushandisi anoisa mumusoro wescrew asati atenderedza mubato. Iyi fomu yescrewdriver inoshandiswa munzvimbo dzakawanda dzebasa uye mudzimba . Iyo shaft inowanzo gadzirwa nesimbi yakasimba kuti irambe kukotama kana kumonyoroka. Iro remuromo rinogona kuomeswa kuti rirambe kusakara, rakabatiswa nejira rakasvibira kuti rivandudzwe musiyano pakati petip nescrew-kana kukwizwa kana kurapwa kuti uwedzere.'kubata'. Mabatiro anowanzo hexagonal, sikweya, kana oval muchikamu-chikamu kuvandudza kubata uye kudzivirira chishandiso kubva pakukunguruka kana chaiswa pasi.