Feature:1. Heavy Duty Shackle Link: Trailer spring shackle straps are manufactured from 3/16in thick heavy duty steel for high wear and rust resistance, ensuring long lifespan in various harsh environments.2. Precise Size: With a length of 31/8in from center of hole to center of hole, and overall dimensions of 4in in length and 11/4in in width, these shackle straps are precisely designed. The bolt hole diameter of 9/16in ensures an excellent fit for your trailer needs.3. Compatibility: These straps are perfect for linking a double eye spring to a single axle trailer's rear hanger or an equalizer of a multi axle trailer. They demonstrate a versatile compatibility suitable for a variety of trailer configurations.4. Promoting Balanced Loads: The shackle link connection enables movement, ensuring an evenly distributed load between the axles. This feature significantly enhances the stability and safety of transport.5. Reliable Performance: Strong, rugged, and built to last, these shackle straps provide dependable service for your towing needs. Whether for a single or multi axle trailer, to deliver consistent performance.Specification:Item Type: Trailer Leaf Spring Shackle StrapMaterial: Galvanized steel alloyApplication: These 3.125in Long shackle link connects double eye leaf spring to the rear hanger or equalizer on trailer suspension systems. Shackling the 2 components together instead of bolting them directly allows for the necessary pivot of the springs.Package List:4 x Trailer Leaf Spring Shackle Straps