Chalk SKYJACK INSTALLATION Y Type Chimney Mount with 18ft steel straps Assemble one end of each strap to the eye bolt using the strap clamp. Crimp the tabs once the strap is looped thru. Assemble the other end of each strap to the eye bolt using the strap clamp. Crimp the tabs once the strap is looped thru. Attach the eye bolt and strap to bracket. & Pull the strap tight and evenly place around the chimney. Insert an eye bolt into the other end of each bracket. Thread the nut onto the bolt.