Zenziwe nge-carbon steel.Zenziwe #45 steel noma #60 steel.Zicutshungulwa ngomdwebo wocingo, ukufakwa kwe-annealing, ukwenza izipikili, ukucisha kanye nezinye izinqubo, zinzima.Umsebenzi wawo ukubethela kwezinye izinto eziqinile ezinye izipikili ezingakwazi, ngoba impahla ihluke kakhulu ezipikili ezijwayelekile, ezezinzipho ezikhethekile.Ubulukhuni bezinzipho bukhulu kakhulu futhi bufushane, futhi ikhono lokungena linamandla kakhulu.