Industrial lifting eye bolt, precision cast grade 316 stainless steel for superior rust resistance * 5/8 in. thread size, 1-3/4 thread length, 1/2 shank diameter; electronic polished * 1-1/4 eye inside diameter, 2-1/4 eye outside diameter; length overall 4-1/4, weight 7.5 oz * Shoulder pattern allows more flexibility in lift angle * Working load limit 4000 lbs. Numerous other styles/sizes (including metric) also available