High-security cheni yekubatanidza fenzi imhando yakasarudzika yekuzadzisa zvinodiwa zvekuchengetedzwa kwepamusoro munzvimbo dzakaita semajeri, mafekitari, mabhangi, nezvimwe. , 5/8″, kana 1″).Kunze kwezvo, waya dzine minzwa nezvimwe zvekuchengetedza zvichashandiswa pamwechete kuvaka madziro akasimba ekuchengetedza.