【Product Design】Our J-hooks are designed for E and A and X tracks and are thick enough to have a material breaking strength of 1,200 lbs. so you can transport the required goods with confidence【Materials】The material of our J hook is made of carbon steel and the surface is coated with zinc plating, which is strong and durable and will never rust, it will be one of your good tools.【Easy installation】Very easy to install, just press the button of the hook and insert the TRACK trailer tie down rails or single slot, it only takes a few seconds to install successfully【Product Use】This hook is widely used, it can basically hang most of the accessories, so that your trailer to keep neat and orderly play one of the important tools of transport safety【After Sales Service】If you encounter problems in the installation process, such as product damage and lack of packaging, please tell us, we will certainly solve the problem for you, we provide 30 days no reason to return the goods Pearabbit is committed to be a popular E-Track Accessories brand in the world. We strive to provide customers with superior products and online shopping service. Our products are designed to make your trailer goods can be easily organized and hanging, so that you do not have to worry about the goods in the process of transportation will move or collision to maintain a stable state of transport, so you do not have to be distracted to hang on to the goods, our products are durable, you do not have to worry that it will be damaged, do not worry that he will rust. Product Specifications：Size: 4" *4"*2.8" Weight:0.82 lbs Quantity: Set of 4