Abubuwan da aka yi amfani da su don waɗannan gears shine 20CrMnTi, wanda ƙaramin ƙarfe ne na carbon alloy. An san wannan abu don kyakkyawan ƙarfinsa da ƙarfin hali, yana sa ya dace da aikace-aikacen aiki mai nauyi a cikin kayan aikin gona.
Game da maganin zafi, an yi amfani da carburization. Wannan tsari ya ƙunshi shigar da carbon a cikin saman gears, wanda ya haifar da taurin Layer. Taurin waɗannan gears bayan maganin zafi shine 58-62 HRC, yana tabbatar da ikon jure babban lodi da amfani mai tsawo..