Dual Ring Tie Off Adapter Weight Capacity 310 lb. Tensile Strength 5000 lb. Length 6 In. Width 1/4 In. Material Alloy Steel and Galvanized Steel Standards ANSI Z359.1-2007 ANSI Z359.7-2011 OSHA 1926.502 For Use With Self Retracting Lifeline Or Lanyard and Full Body Harness Includes Dual O Rings