Cov ntaub ntawv pob zeb diamond
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Pob zeb diamond tes ntaub ntawv nrog cov cuab yeej zoo-tes
Khoom siv: High Carbon Steel
Daim ntawv thov: Pob zeb diamond cov ntaub ntawv tuaj yeem ua tau yuav luag txhua yam, thiab tuaj yeem tsoo txhua lub cuab yeej tig lub rooj tsavxwm, txawm tias cov hlau tsis tshua muaj siab ceev nrog hardness ntawm 69.