DBI/Sala, 2103143 Trolley For I-Beam For Use W/Self Retracting Lifeline (Fits Beam Flanges 3″-8″ In Width Up To 11/16″ Thick), Gold 1 Published January 13, 2015 at 493 × 500 in DBI/Sala, 2103143 Trolley For I-Beam For Use W/Self Retracting Lifeline (Fits Beam Flanges 3″-8″ In Width Up To 11/16″ Thick), Gold