Features: Strong aluminum photovoltaic grounding Clamps set ensures secure, corrosion resistant connection for solar panel systems, Suitable for most frame Module and aluminum rail . Features adjustable screws, grounding plates, and Accuracy cut component for tool without installation, accommodating up to 6mm wire in clamping zones without burrs or acute edges. Ideal for solar installers, electricians, and DIY enthusiasts search reliable electrostatic discharge solution in sustainable energy projects. designs for rooftops arrays and solar farm to safely channel still charges from Panel and mounting structures via grounding wire . Engineered with weatherproof aluminum and Not decay coatings, these Photovoltaic Module Clamps with stand extreme outdoor conditions while maintaining electrical insulation integrity. Specifications: Component : aluminum Size: about 2cmx4.2cm/0.79x1.65inch Type: 6mm/8mm(optional) Package Includes: 4xGrounding Clamps note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.