APPLY TO - Square U-Bolt is good for fixing the locked object to pipe or wood, etc. Fits for trailers, plumbing, and other home and industrial applications, etc.SPECIFICATION -Material: Carbon SteelFit Square Object Size: 35mm /1.38-inThread Size: M6(D)Bolt Rod Size: 5mm(D) /0.2-inTotal Length: 60mm(H)/ 2.36-inHex Nut Size: 10mm(W) x 5mm(H) /0.39-in x 0.2-inFrame Plate Size: 60mm(L) x 18mm(W) x 2mm(H) /2.36-in x 0.71-in x 0.08-inWasher Size: 18mm(OD) x 6mm(ID) x 1mm(T) / 0.71-in x 0.24-in x 0.04-inQUANTITY INCLUDED - 2 x U-Bolts, 4 x Nuts, 4 x Washers, 2 x PlatesADVANTAGE - U bolt made of carbon steel, constructed with high hardness, good performance in anti-rust and corrosion resistance, which have a stable connection.EXPLAIN - First fix the locked object with U-shaped bolts, install the plate and washer, and then lock it with nuts.