Check the listing for details. 6 Sets M8 Round U-Bolts 27mm Inner Width 55mm Length U-Clamp Bolt. Condition: New. Listed at 22.25 USD. What You Get: The stainless steel U-bolt has a total length of 55mm/2.17", a rod diameter of 7.6mm/0.30", an inner width of 27mm/1.06", and a thread length of 29mm/1.14". The package contains 6 U-shaped bolts, 6 frame plates, and 12 nutsApplication: Round U-bolts are designed to fasten or connect the parts being fastened to pipes, metal frames, or wood, etc. They are suitable for industrial equipment, furniture assembly, guardrail installation, greenhouse construction, and DIY projects. Widely used in automobiles, trailers, ships, pipelines, gardens, workshops, and other home and industrial applications, stable and reliable for long-term use.Installation: Wrap the U-shaped bolt around the target pipe, align the threaded holes, insert the bolts, and tighten with the matching frame plates and nuts (it is recommended to use a wrench).