Features: Exact Sizing: The 8mm square U-bolts feature inner width of 52mm/2 inches and outer length of 100mm/3.9 inches, ensuring a suitable fit for various project needs. Always check dimension before ordering for best compatibility. Complete Package: Includes 4 wide U-bolts, 4 frame plates, 8 washers, 8 fasteners, & 1 hand tool, providing all necessary components for effective use and replacement in 1 convenient set. strong Build: Constructed from 304 steel, these U-bolts offer excellent resistance to oxidation, moisture, and erosion , ensuring prolonged use in challenging conditions. Broad Application: Ideal for industrial, manufacturing, automotive, and projects, these square U-bolts excellent for securing conduits, wood, trailers, and more, making a flexible choose for various use . setups Advice: For best result , use oil during installation to prevent wear. Utilize the included manual hand tool for tightening fasteners, avoiding high- electric or effect devices that may damage thread . Specifications: Component : carbon steel Size: about 52x66x100mm/2x2.6x3.9inch Package Includes: 4 set Square U Clamps note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.