ʻO ke kūpana metala Precision kahi hana ʻoihana e hoʻohana i nā mīkini i kūpono me nā mea make e hoʻololi i ka mea hao pālahalaha i loko o nā ʻano hakahaka a wili paha i mau ʻano maʻamau. Ma waho o ka hahi ʻana, hiki i kēia mau kaomi mīkini ke hana i ka nui o nā kaʻina hana e like me ke kuʻi ʻana, nā meahana, notch, ben ...
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