- DESIGNED FOR COMPATIBILITY: This rod holder converter is specifically designed to fit rod holder butts with an outside diameter of 1-9/16 inches or smaller. It is compatible with both 30-degree and 90-degree rod holders, making it ideal for use on marine boats. A must-have for avid fishermen looking to enhance their fishing experience. - PREMIUM MATERIAL: Constructed from high-quality 304 stainless steel, this converter is built for durability and longevity. Its corrosion-resistant properties ensure it withstands harsh marine environments, providing reliable performance over time. - EASY OPERATION: The 360-degree drop-in swivel design allows for seamless rotation of your fishing rod. Effortlessly adjust your line with quick movements when you feel a bite, enhancing your overall angling efficiency. - SIMPLE INSTALLATION: Installing the stainless steel drop-in swivel is straightforward, transforming any in-gunnel rod holder into a swivel rod holder with minimal effort. The converter accommodates a pin depth of 1-1/2 inches and features drain holes to prevent water accumulation. - APPLICATION SCENARIOS: 1. Deep Sea Fishing : Effortlessly adjust your rod position while reeling in large catches without the hassle of stuck rod holders. 2. Freshwater Angling : Streamline your fishing workflow by quickly rotating your rod for precision casting in various water conditions. 3. Charter Fishing : Enhance the fishing experience for clients by providing easy-to-use rod holders that accommodate quick adjustments and improve responsiveness to bites.