Made from extruded high strength aluminum, designed to give maximum strength at the least possible weight. Head assemblies are all steel, zinc plated and tapered for ease of operation. Trigger and spring are built for long-lasting positive lock control. Bar extends from 92 1/4" up to 103.25". For use on 96" to 102" trailers. 2,000-lb. working load limit. Six month manufacturer's warranty against defects.