Industrial lifting eye bolt, precision cast grade 316 stainless steel for superior rust resistance * 5/16 in. thread size, 1-1/8 thread length, 1/4 shank diameter; electronic polished * 5/8 eye inside diameter, 1-1/8 eye outside diameter; length overall 2-3/8, weight 1.1 oz * Shoulder pattern allows more flexibility in lift angle * Working load limit 900 lbs. Numerous other styles/sizes (including metric) also available