Universal Rail MountOur most versatile mount. This mount clamps onto round or square railings up to 1-1/2 inches in diameter. Great for pontoons or stainless railings or grab handles. No drilling required.FeaturesConverts to fit round or square railingsAll hardware included360 degree socket for rod holder rotationBuilt-in Elastomer gripDimensionsLength- 3.5 inchesHeight – 2.25 inchesWidth – 2.125 inchesMaterialsReinforced Nylon CompositeSynthetic Elastomer (UV, Heat to +200, Cold to -50)18/8 stainless hardwareWeight4 oz.WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov