A stock masu ƙarfe ko sanduna ana amfani dasu a aikace-aikace iri-iri kuma ana amfani dasu sosai a masana'antar gine-ginen saboda tsaunukansu da juriya ga lalata da tsatsa.
Muna hannun jari da sanduna a cikin diamita masu kama da karfe 3mm zuwa 76.2Mmm, tsayi har zuwa 3m kuma suna cikin ƙarfe 3 na ƙarfe.
303 - Yana da juriya na lalata jiki, ana iya sarrafa shi sosai, ba ya dace da waldi ko forming.
304 - Yana da juriya na lalata jiki, wanda ya dace da tsari da walda, janar masara.
316 - Shin mafi girman daraja na mu, yana da kyakkyawan juriya na lalata, ya dace da tsari da waldi, amma ya fi wuya ga na'ura.