Preston Double Ripple Bar The complete range of OffBox and InBox accessories that all work together perfectly to make the ultimate seatbox system. We realise that not everyone is the same. Different anglers prefer different options, not only with the box they sit on but also the accessories they use. But rest assured whatever box you sit on and whatever accessories you prefer, this comprehensive range will provide you with the perfect solution. The Double Ripple Bar features two threaded ends, making it ideal for fixing a multitude of accessory items, such as rod rests, V rollers, pole grips and pole socks. Perfect for holding unused pole sections when not required. Available in Short and Long.