TRP Slipper Spring (4-Leaf) - 1,000 Lb Capacity - 24.125 Inches x 1.75 Inches Wide - Single 4-Leaf Trailer Spring 1,000 lb rating per spring 24.125 inch length x 1-3/4 inch wide - Free arch 4.25 inches Equipped with plastic bushing - Inside dimension 0.562 9/16 mounting hole