Jaw - Forged,Body -. 316 Grade Stainless Steel : Also known as "Marine Grade" as it contains Molybdenum to resist the corrosive affects of NaCI or salt in sea water. 304 Grade Stainless Steel: Is the most commonly produced grade of stainless steel.
The "Economy Range M12 Econ 12mm Turnbuckle Rigging Jaw Screw BL 5000" would be the best fit for applications requiring cost-effective, reliable lifting and rigging solutions that demand durability and high-strength performance.