Industrial lifting eye bolt, precision cast grade 316 stainless steel for superior rust resistance * 16mm thread size, 32mm thread length, 13mm shank diameter; standard metric thread, electronic polish * 31mm eye inside diameter, 56mm eye outside diameter; length overall 106mm, weight 7.5 oz * Shoulder pattern allows more flexibility in lift angle * Working load limit 4000 lbs. Numerous other styles/sizes (including SAE) also available