It usually is made of a U-shaped bolt, a forged or Solid saddle and two nuts. The 2 layers of wire rope are placed during the U-bolt. The saddle is then fitted around the ropes on for the bolt (the saddle includes two holes to fit on the U-bolt). The http://messiahquwzx.fireblogz.com/19715907/what-does-copper-sleeves-mean