Bridge Grounding Wire Copper Clad Aluminum Braid 2.5 Square 8mm Flexible Grounding Connection for Electric BoxSPECIFICATIONS Brand Name: Keszoox High concerned chemical: None Origin: Mainland China Voltage: None Material is copper clad aluminum, such as the need for pure copper or copper nickel plated can contact us, commodity data is manually measured there will be 1 3mm error. Conductor material: copper clad aluminium Use: cable tray grounding, distribution box grounding, electrical cable grounding, etc.