Features: Engineered with high strength carbon steel, this U Bolt set secure fastens DN40 pipe and trailers, offering large capacity and triples corrosions resistance for long time durability. The set includes U bolts, nut, washers, and frame plates, ensuring vibrations resistant clamping without requiring additional tool or components. Ideal for mechanics, construction professional, and enthusiasts seek fastening solution for automotive suspensions, industrial piping, or structural projects. Perfectly adapts to trailer leaf spring, marine equipment, or outdoor machinery installations, with rounded designs minimizing on pipe. Its drive carbon steel construction withstands extreme stress and moisture exposure, making it addition for reinforcing critical joints in agricultural, transportation, and infrastructure applications. Specifications: Materials: Carbon Steel Size: 5x10cm/1.7x3.94inch Package Includes: 2pcs Rounded U Shape Screw 2pcs U Shaped Card Baffles 4pcs Nut 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.