Industrial lifting eye bolt, precision cast grade 316 stainless steel for superior rust resistance * 6mm thread size, 25mm thread length, 5mm shank diameter;standard metric thread, electronic polish * 12mm eye inside diameter, 22mm eye outside diameter; length overall 50mm, weight 0.5 oz * Shoulder pattern allows more flexibility in lift angle * Working load limit 500 lbs. Numerous other styles/sizes (including SAE) also available