Features: Enhances trailer stability and torques control with this 4 pack Leaf Spring Clamp set, designs to secure leaf spring together for improved load bearing performances. Crafted from galvanized steel, each U bolt set includes 4 clamps with connecting plates and nut for corrosions resistant performances. Ideal for truck owners, boats trailer operators, and marine equipment technicians need leaf spring stabilization solution. Maintains spring alignment during heavy towing on highway or water transport of ski boats, sailboats, and utility trailers. Features wrenches tightened installation to maintain structural integrity during demanding towing operations on highway or water. Specifications: Materials: Galvanized steel Size: 0.95x0.54cm/0.31x0.21inch, 1.04x0.67cm/0.41x0.26inch, 1.04x0.79cm/0.41x0.31inch Type: As Picture Show, Three Type to Choose Package Includes: 4pcs U Shape Bolt Clamp Set note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.