This listing is for 2 U-Bolts. High quality OEM grade U-bolts / N-bolts suitable for use on trailers, frames etc... High Tensile suitable for higher load and more critical areas. Not to be confused with cheaper bolts. M10 Thread (10mm diameter). Sizes; 40mm internal width, 70mm total internal length, 30mm long threaded section. Zinc & Gold Plated. Supplied complete with washers and Nyloc nuts.