"The Ironton panel hoist extension bar telescopes, increasing lift from 11ft. to 15ft. for use on higher ceilings. For use with the Drywall & Panel Hoist Item# 23310 sold separately. Power Source Manual, Lift Height ft. 15, Load Capacity lbs. 1,500, Product Type Extension bar. Preinstalled cable attaches to the winch drum for installation No Tools required for assembly Telescoping extension bar with 6ft. sections replaces the standard 4ft. sections of the drywall & panel hoist frame Extends lift to reach a maximum height of 15 feet 150-lb. maximum load capacity"