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: 304 Stainless SteelFit Object Size: 25mm /0.98-inThread Size: M8(D)Overall Size: 52mm(L) x 43mm(W) / 2.05-in x 1.69-inHex Nut Width: 13mm / 0.51-inQUANTITY INCLUDED - 4 x U-Bolts, 8 x Nuts, 8 x WashersADVANTAGE - U bolt made of 304 stainless steel, constructed with 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 washer, and then lock it with nuts.