The 316L stainless steel CE Smith Flush Mount Rod Holder features a wide low-profile cap for excellent mounting strength. Cap is welded to the tube joint so it will never break. Super tough 0.5H x 0.25W gimble bar stands up to virtually any punishment heavy tackle or downrigger mounts can dish out. White vinyl liner protects rods and is keyed with the gimbal bar to eliminate line twist. 9L. Inner dia: 1.63. Outer dia: 2. Cap: 4.5L x 3.63. Available: 0, 15, 30. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rod Holders.