SMC Fishing Rod Holder 7750 Characteristic: This rod holder clamps on so it's easy to change places without drilling into the boat rail. This Fishing Rod Holder is Flush mount. Chrome plated zinc flange, anodized aluminum tube, with soft black flange gasket and integral flip-up cap. The surface is treaded with high quality mirror polish. While, by passivation technology, products can stand 300 hours salt spray test with no rusting. This new technology is leading in the field and solves the problem of Stainless Steel parts getting rusted with long time usage which cause poor look. One per display package.