Hoʻohana kā mākou kaʻina hana i nā mīkini ʻōwili kila boron alloy a me nā mīkini kaumaha e hōʻoia i ka pololei o ka dimensional, me nā huahana āpau e hana ʻia ana i ka quenching wela kiʻekiʻe a me ka tempering. Loaʻa ka paʻakikī o ka ʻili mai HRC 48 a 56, me ka hohonu mai 6 a 12 millimeters.
