TRP Slipper Spring (3-Leaf) - 750 Lb Capacity - 24-5/8 Inches X 1-3/4 Inches Wide - Single 3-Leaf Trailer Spring 750 lb rating per spring 24-5/8 inch x 1-3/4 inch wide - Free Arch 4-1/2 inches Equipped with plastic bushing - Inside dimension 0.562 9/16 mounting hole