CE Smith 24-58 Slipper Springs - 4 Leaves The Slipper Spring replaces your trailers worn and droopy leaf springs. To match the capacity of the axle and whats being hauled the springs under the trailer comes in a variety of shapes and sizes with load capacities. Order the same size and capacity springs that you are replacing. Notate your spring style, double eye or slipper. Measure the length, width, height, and count the leaves. Features 4 leaves 1-34 wide Length eye center to eye center 24-58 4