Chance Pole Type Wire Tong Saddles are made of lightweight aluminum forhandling ease. These rugged heat-treated saddles will support a maximumof 1000 pounds (450kg) without the extension. The clamp is set farenough away from the base to give ample clearance for most jobs. Whereadditional clearance is required, the Chance Wire Tong Saddle Extensioncan be easily bolted to the saddle. This heattreated aluminum-alloyextension is 4 inches (100mm) long and has a tested working load ratingof 800 pounds (360kg). The Wheel Type fasteners are easy to apply, holdthe saddle firmly in place, and prevent riding down and excessive play.The Wheel Tightener has the advantage of being able to fit into closeplaces such as between crossarm braces, under guy wires, etc.