Quality carbon steel; Overall heat treatment; High rigidity; Large torque; Good toughness; Strong gripping; Surface matt chrome Electroplating; Elegant and grand; Rusting resistance; American ANSI B 107.8M standard
Quality carbon steel; Overall heat treatment; High rigidity; Large torque; Good toughness; Strong gripping; Surface matt chrome Electroplating; Elegant and grand; Rusting resistance; American ANSI B 107.8M standard