non sparking f wrench ,square head valve spanner ,copper alloy long arm f shaped wrench
material:aluminum-bronze,beryllium-bronze
color:nature or depend on your request
technique:casting or forging
surface treatment:mirror polished
certificate:ISO9001/UKAS
application:petroleum,chemical industry,power generation,railway,mining
mainly market:Europe,Middle East,Southeast Asia
hardness:al-bronze(25HRC) be-bronze(35HRC)
tensile strength: al-bronze(25HRC) be-bronze(35HRC)
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