Thread Size: 5/8"-11Ball Size: 1/2"Material: Drop Forged SteelFinish: Hot Dipped GalvanizedSafe Working Load: 3,600 lbs.Create Your Own Lifting Eye By Adding An Eye Nut To A Stud Or BoltDesigned For Vertical Lifting OnlyGalvanized Coating Withstands Rust And Corrosion And Is Excellent For Exterior ApplicationsDo Not Use For Overhead Lifting Or Support Of Human Weight