Feature: 1. THUNDER PROTECTION COMPONENT: This product is a thunder protection grounding component that collects the static electricity from photovoltaic modules and photovoltaic support and leads to the ground through a grounding copper cable 2. Working principle: This part is made up of thunder protection grounding pins and stainless steel screws. When the screw is locked, the spike on the thunder protection grounding blade will pierce the anodized layer of the aluminum guide or any other conductive metal structure surface, so that the metal structure that can contact each other forms an air tight electrostatic connection, and the electrostatic conduction on the photovoltaic module and photovoltaic support to the grounding copper wire and into the earth 3. COMPATIBLE EQUIPMENT: Compatible with all kinds of aluminum photovoltaic guide rail(roof, ground, shed), C steel, U steel and H channel steel, etc. 4. QUICK INSTALLATION: Easy to install, no need for many tools, allows a variety of ground conduction installation 5. 10PCS IN TOTAL: The package contain a total of 10pcs grounding clip, enough for you to replace and use, very convenient Specification: Item Type: Solar Mounting System Grounding Clip Material: Aluminum and stainless steel Package List: 10 x Solar Mounting System Grounding Clip All the items will be dispatched within one business day by Airmail after the payment is clear. Most times you will receive your order within 10-30 business days after we transfer your package to the delivery company. We cannot guarantee the delivery timeframe if the post office has any unexpected delays due to holiday,weather,customs, or other conditions. Some countries like Russia, Brazil, or some European countries may take up to 50 days or longer for delivery. We appreciate your patience if you haven't received items in 30 days(Russian customers may need more patience by reason of the local delivery system and/or customs). If you are concerned in any way, please feel free to contact us via ebay message instead of leaving negative/neutral feedback or opening a dispute. We will do our best to solve any problem(resend or refund any missingitem). Customs duty is obligation and liability of citizens in yourresponsible for any tax and custom duty incurred. Generally, thedelay or failure delivery is sometimes caused by the policy of different customs. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. duties,taxes,and charges are not included in the item price or shipping fee. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. All disputes arising from the duties will be submitted to ebay for solution. Any questions, pls. contact us via ebay message or email us. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5" in very area. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better.We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.