If you are looking for versatile and reliable snap hooks for your marine, sports, or outdoor activities, you may want to try the DIVETEC Double End Bolt Snap Hooks. These snap hooks are made of marine grade 304 stainless steel, which is corrosion-resistant, durable, and suitable for seawater environment. They have a double-ended design that allows for easy connection and disconnection at either end, making them convenient for various applications. They have a spring-loaded bolt that provides secure closure and easy-open thumb lever, making them user-friendly. They measure 3.5 inches in length, making them heavy duty and strong. They are ideal for scuba diving, fishing, boating, keychains, pet leashes, flagpoles, tarp covers, clotheslines, and more. With the DIVETEC Double End Bolt Snap Hooks, you can enjoy your hobbies with confidence and ease.