Expand the use of your Hornet Bed Rails by adding additional panels that can be used as a shelf (s) hold addition gear, a Bed Rail Tailgate, or completely enclose your bed rails for a secure storage area or dog box. This panel is the shelf only and requires the purchase of R-500. Each panel includes 4 sets of Tool Less corner clamps. Single Panel $99.95. Buy 2 panels only $89.96 each. Buy 3 panels $84.96 each. Buy 4 panels $74.96 each.