1Liner 90 Degree Design: 90 degree flange angle for mounting on the side of the boat for optimum rod angle, up to 40mm diameter rod insertion. 2Strong Supporting Capability: Fishing rod holders have excellent supporting capability, able to carry heavier rods securely and ensure the safe placement of rods. 3Draining Tube Design: These rod holders come with a draining tube design, which can effectively remove water from the rod tube to prevent water buildup and prolong the rod's service life. 4316 Stainless Steel: The rod tube rod holders are all made of 316 stainless steel, which is extremely rust resistant and able to keep its appearance and performance stable over a long period of time. 5Easy to Use: Fishing pole holders bracket is designed to be easy to use, so you can use it easily, which is convenient and practical for you.