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 MX, RetraxPRO MX, PowertraxONE MX, and PowertraxPRO MX Applications | Retrax Replacement MX Clamp and Hardware Kit F06-1012