Specification: Material: 304 Stainless Steel Size: M3, for 3mm diameter cables The correct way to attach the wire rope clamps is the following: 1. Apply the first clip a base width from the dead end of the wire rope. The base or saddle should rest on the tension end of the rope - U-bolt on the short end. Firmly tighten the nuts. 2. Attach the second clip as close to the buckle as possible. Tighten the nuts but not firmly. 3. Fix the balance of equally spaced clips between the first two clips. Fully tighten all nuts. Apply initial load - inspect nuts and retighten. Package includes: 20*M3 U Bolt Wire Rope Clip If you are not satisfied with our products, please feel free to contact us. We will do our best to solve the problem for you.