About Surfstow Surfstow is a brand made by paddle boarders based in Southern California. Our love for SUP inspired us to create products that will give people a more enjoyable water sports experience. The products we design give convenience, functionality, and ease of use. At the same time, it fits the strict industry standards and quality requirements. SurfStow SUPRax 50050-2 Single Board System SurfStow SUPRax 50053 Square Rail Pontoon Mount is a boat mount / rail mount for SUP board storage made specifically for square rail pontoon boats. If you have two stand-up paddle boards, then you might want to check the SUPRax 50051 Dual Board Add-On. Designed For Angled Stanchions SUPRax 50050-2 has 360° rotating clamps designed especially for angled stanchions. Its unique rotating clamp will allow you to easily mount your stand-up paddle board rack on these kinds of rails. Given its unique design, it can also be used even on stanchions that are not angled. Save Space On Your Deck Need space for your stand-up paddle boards? SUPRax system is your complete board storage solution. This boat mount add-on will give your boards a designated space without eating up deck space. Ready For The Harsh Marine Environment 061 Sandblasted Anodized Aluminum Improved fatigue resistance, stress-crack resistance, and UV radiation resistance Protective EVA Foam Protects your boards from getting dents and scratches while mounted Heavy Duty Bungee Cords Holding your boards in place preventing it from falling on the water SUPRax 50051 SUPRax 50053 SUPRax 50050-2 Buying Options Add to Cart Add to Cart Customer Reviews 5.0 out of 5 stars 4 2.3 out of 5 stars 4 4.3 out of 5 stars 9 Price — no data $410.99$410.99 $379.98$379.98 Dimensions 30 x 6 x 18 inches 26 x 11 x 4 inches 26 x 11 x 4 in Core material 061 Sandblasted aluminum alloy 061 Sandblasted aluminum alloy 061 Sandblasted aluminum alloy Exterior With EVA foam With EVA foam With EVA foam Color Metallic Metallic Metallic Specifics Dual board add-on; Requires SUPRax 50050-2 or SUPRax 50053 For square rail pontoon boats For Angled Stanchions