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鉗口優(yōu)質(zhì)碳鋼鍛壓,表面鈍化處理,齒部高頻,齒部硬度 55-60HRC, 球墨鑄鐵柄,把柄頭部雙側(cè)帶雙眉線。
Mobile jaw drop forged with high quality carbon steel,heat treatment with quench and tempering, hardness of teeth is 55-60HRC, globular graphite cast iron handle with eyebrow line on both sides.