Free up deck space and store that big kayak or paddleboards (up to 2) securely and safely on the side of your boat with SUPRAX XL Storage System. Get to your destination, in style! Anodized construction for long-lasting use The rotating clamp allows for secure mounting on angled stanchions Easy installation Works with all kayak and paddleboard styles. Secure your kayak or paddleboard to your boat and your wall with optional wall mounts. Holds 1 kayak or two boards. If you are storing two boards, they cannot be more than 17" total. If you have a pontoon boat CLICK HERE WARNING: California's Proposition 65