Multiple Uses: Our heavy duty anchors to be used for cargo management in vans, flatbed equipped with E-track rail(not included) when moving furniture, ATV, tools, boxes, pallets, ladders, farm equipment, landscape trees, bicycles, etc. The O-ring easily attaches any straps, ropes, bungee cords, chains, etc. Load Limit of 1,500lb: Assembly break strength of 2,500 pounds and a safe working load limit of 2,000 pounds. Rust Prevention: We made anchors with zinc coating to protect from rust and corrosion. Rain or shine, we got you covered! Easy to Use: Unlike many other E-track accessories, your anchors are designed with spring-loaded fittings to perfectly fit in the slot of E-track rail. This allows you to use it on different vertical or horizontal E-track quickly without much effort. Just open the package, press the spring fitting and place it on the opening. Secure it with releasing of the spring lever. Then enjoy a worriless time with no more worries about your cargo. Package Contents: Includes 20pcs O-ring tie-down anchors. Note: E-track not included. Eapele 20pcs Steel E-Track O Ring