Industrial lifting eye bolt, precision cast grade 316 stainless steel for superior rust resistance * 1/4 in. thread size, 3/8 thread length, 9/32 shank diameter; UNC thread, electronic polished * 5/8 eye inside diameter, 1-1/8 eye outside diameter; length overall 1-5/8, weight 1.1 oz * Shoulder pattern allows more flexibility in lift angle; European DIN580 style * Working load limit 140 lbs. Numerous other styles/sizes (including metric) also available