Hoist Ring Finish Powder Coated Material Steel Thread Size M8-1.25 Thread Length 9/16 in Eye Inside Diameter 63/64 in Working Load Limit 660 lb Application Lifting Eye Thickness 0.344 in Industry Standards DGUV-R 109-017 2020-12 DIN EN 1677-1 2009-03 DIN EN ISO 12100 2011-03