As shown in the figure, the bottom of the rod holder can be rotated 360 degrees, while the Angle of the rod holder can be rotated 90 degrees. You can adjust it to your liking to help you catch more fish. High-quality stainless steel base using casting process, strong and durable. Marine grade stainless steel is corrosion resistant and can resist the erosion of salt water. The black plastic sleeve at the top can better protect your rod holder from being scratched. Square bottom design with mounting holes, very easy to install on boats, yachts, ships on any part you like. Features: ??Dimension Details?: Rod holder width: 9.56"(242.89mm); Outside Diameter of tube: 2"(50.8mm); Inside Diameter of tube: 1.77in(45mm); Base plate size: 3.48"(88.5mm)*2.32"(59mm). ??Anti-rust and Corrosion?: Made of Marine grade 316 stainless steel material, the fishing rod holder withstand harsh ocean evironment, polished surface form protective film, sturdy construction and corrosion resistance. ??Adjustable Design?: Removable 360 degree swivels change different direction. Tube up and down to 90 degrees. 316 heavy duty deck mount base. ??Bracket Removable?: You can take the holders off and stow them leaving just the base plate visible. Keeps the boat looking clean. The insert robust: can protect your fishing pole. ??Customer Service?: 24-hour customer service is offered online. If you encounter any problems in use or you have any dissatisfaction with the product, please feel free to contact us at anytime, we will be the first time to provide you with a satisfactory solution. Package Includes: 1 fishing rod boat holder Listing and template services provided by inkFrog