Texture of material: Made of stainless steel, aluminum profile and steel, with aluminum base and stainless steel ring, single stud accessories will not rust and prevent corrosion. Working load limit: Up to 4000 pounds, which is the maximum load weight that the strapping device should bear. Function: Accessories can be installed at any position of L-shaped track, with strong adaptability and forming firm tension points. Mode of use: Install the accessories anywhere on the L-shaped track to form a firm fixing point, and then connect the cargo belt to the accessories to make them firmly fixed. ENJ LASHING products meet the quality inspection standards, and spot check in the production process to ensure that there are no quality problems.If you have any questions, please feel free to contact us. Rated for 3500 lbs. and can reach 4000 lbs. which is the load weight the lashing device should carry. This accessory is suitable for most aluminum rails. Attach the accessory to any position on the L-rail to form a solid fixing point, then attach the cargo strap to the accessory to hold things securely in place. For example, the application of the accessory can secure the cargo to the freight car, and the cargo cannot move freely. It can be applied together with L-type rail.