Slipper leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 2,500 lbs axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushing. lbs Length from center of spring eye to end of spring (unloaded): 26-3/4" Spring width: 2" Number of leaves: 4 Axle location: 11-1/2" Loaded arch height: 2-1/2" Note: To ensure