Detail Description: The BAKFlip MX4 has features, including matte-finished cab corner caps, clamps, and elevator bolts for a more streamlined look and feel. Other MX4 features an enhanced functionality with pre-molded, die-cut, shock-absorbent bumpers and secure prop rod clips. Features and Benefits: Lockable Using Tailgate Handle LockPremium Matte FinishDurable Aluminum PanelsDual-Action Tailgate SealFinished Corner Caps Featuring A Softer Seal For A More Finished AppearanceProp Rod Clips Securely Designed For Durability100 Percent Bed AccessRated Up To 400 Pound Of Evenly Distributed WeightLimited 5 Year Warranty Attributes: Type: Hard FoldingFolds/Panels: 2 Folds/ 3 PanelsHinged At Front: Front Hinge Allows Entire Tonneau to Flip Up When FoldedProfile: Low ProfileColor Group: BlackColor/ Finish: Black Matte TexturedMaterial: AluminumLocking Type: Tailgate Handle LockCompatible With Ladder Rack: Not Ladder Rack CompatibleCompatible With Headache Rack: Not Compatible With Headache RackBed Side Rail Mount: Inside Rail MountTool Box Info: Not Compatible With Tool BoxWith Lights: Not ApplicableInstallation Type: Clamp-OnDrilling Required: Drilling RequiredAdditional Info1: Bed Rail Compatible, Bed Cap CompatibleEstimated Install Time (Hours): 1 Fitments: 2020-2025 Chevrolet Silverado 2500 HD 8 Ft. (98.2 In.)2020-2025 Chevrolet Silverado 3500 HD 8 Ft. (98.2 In.)2020-2025 GMC Sierra 2500 HD 8 Ft. (98.2 In.)2020-2025 GMC Sierra 3500 HD 8 Ft. (98.2 In.)