The Multi-Lok holder has six angle settings for anodized, rust- and corrosion-resistant aluminum rod holder. A special polishing system makes them as good looking as they are functional. Movable holders have a Pin-Lok function, which allows them to rotate 360° on mount, then lock securely. Rubber coating at contact points protects your rods. The Multi-Lok holder comes with a mounting plate. Tube is 2" x 10-3/4" tube.