Features: [LIGHTNING PROTECTION] This grounding defense twine clip can efficiently make sure lightning moves and forestall PV modules from harm in extreme climate [FIRMLY FIXED] When the hex bolt is tightened into the body of the assembly, the toothed spacer on the backside aspect penetrates the aluminum frame anodizing and holds it securely in position [COPPER MATERIAL] The grounding protection twine clip is made of copper, excessive hardness is not smooth to deformation, not rust, sturdy [STANDARD SIZE] The grounding protection twine clamp has normal specifications, and the person can tighten the nut with a typical wrench [EASY TO INSTALL] The floor protection cord clamp is compact and flexible, appropriate for the installation of PV module bezel in diverse places Specification: Item Type: Lightning Protection Cable Clamp Material: Copper Package List: 10 x Lightning Protection Cable Clamp