Kayayyaki

Fitaccen fasalin wannan jeri-nauyi na noma shi ne ƙwanƙwasa hex, bisa tsarin ɗaukar ƙwallo mai zurfi. Ana amfani dashi a aikace-aikace inda ba'a buƙatar kwala, saiti, ko wasu na'urorin kullewa. Wannan silsilar tana haɗa garkuwar ƙarfe ta kusa da ke da goyan bayan hatimin roba. Hakanan akwai relubricable-prefix “G”.