Specification ✔100% Brand New, Never Been Tried or InstalledOE Number:SC104DMaterial：ABSColor: BlackLocation: Rear Driver (Left) SideLength:35.8"Width:15.8''Height:9.45''No instruction included Package Includes: 1x Storage Box w/ Installation BracketsJust as Shown in the Pictures Above Features Perfect for storing your Tools in your Vehicle or at Home Swings Out For Easy Tailgate Access Direct Replacement Description Secure, transport, and access your belongings in your truck bed easily. This wheel well box is made out of heavy duty abs plastic and is locked and weather sealed. The mount has a eyelet to install a lock to secure to the bed and the box can swivel out for easy access with the pull of the bottom handle. High Quality Excellent ABS material has strong and sturdy characteristics, windproof and rainproof, can be used in bad weather Powerful Capacity The large capacity perfectly fits the user's storage needs, and there are removable trays for customers to store items for different purposes Maximum Accessibility The kit swings nearly 180° towards you for easy access from the tailgate and swings back to the locked position above the wheel wells for maximum access to the bed With Lock Design Locking the cover of the cover makes it a security and protect your privacy Fitment Compatible with 2019-2021 Chevy/GMC Silverado/Sierra 1500For the year and models, please check the compatibility