Built of 100% stainless steel, the Nautic COBRA buckle was designed to withstand the elements. With the same heavy-duty strength and safety as the aluminium COBRA buckles, this stainless steel COBRA buckle is ideal for applications where the hardware may come in contact with moisture and become prone to oxidizing. Proof loaded to up to 11 kiloNewtons (almost 2,500lbs!), these buckles are sure to be the safest part of your application.