[Features] Scope of Application: Thickened type, suitable for installing truck covers with fiberglass or aluminum rails. Premium Quality: Made of metal materials, corrosion-resistant, high strength and durable. Good Performance: Professional manufacturing, high precision and good reliability. Manufactured according to standard specifications, and strictly follow the factory quality control. User-Friendly Installation: Easily adjust the size and fix it firmly on the truck and cover. It can replace the old or damaged directly, very suitable for your vehicle. Assembled around the mounting bracket of a large and the bottom lip of the truck, the bolts are quickly tightened with a wrench or a ratchet; no drill is required. [product information] product name:Heavy duty retaining clip color:silver Material:Aluminum alloy + iron size:Total length: 85mm Subject to size chart Style: as shown in the main picture Packing list (you can get after purchasing one item): Heavy duty retaining clip*1 Please understand: 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Colors may vary from monitor to monitor.