Iketango le-GL yensimbi engenasici elingenalutho lephinikhodi lakhiwe ngokuhambisana ne-ISO 606, ANSI, kanye namazinga okukhiqiza e-DIN8187. Iketango lethu lensimbi engagqwali lephinikhodi elingenalutho lakhiwe ngensimbi engagqwali yekhwalithi ephezulu engu-304. I-304SS iyinto evimbela ukugqwala okunamandla okudonsa kazibuthe okuphansi kakhulu, futhi ekwazi ukusebenza emazingeni okushisa aphansi kakhulu ukuya phezulu kakhulu ngaphandle kokululaza amandla okusebenza nokusebenza kweketango.