Kit of C-Clamps and Mounting Hardware for Assembly and Attachment of the Cover to the Truck Bed. Includes: 4-6 clamps (depending on application), additional support bolt (depending on application), pack of 6 screws, and Allen wrench Fits RetraxONE XR, RetraxPRO XR, PowertraxONE XR, and PowertraxPRO XR Applications | Retrax Replacement XR Clamp and Hardware Kit F06-1054