Mount the ORACLE 288W 50” Double Row LED Light Bar across the front windshield of a 1999-2006 GMC Sierra easily with this new roof mount bracket from ORACLE Lighting. These brackets are made specifically for the 1999-2006 GMC Sierra model and will attach directly to your vehicle. (Minimal drilling is required.) Product Features: Weight: 1 Lb 3.0oz. Width: 10″. Height: 4″. Length: 2.5″. Mounts to inside door jamb. Weather Resistant Coating. Welded Steel Construction. Will Fit all 1999-2006 GMC Sierra Models. Package Includes: 2 x 1999-2006 GMC Sierra ORACLE Off-Road LED Light Bar Roof Brackets. Assorted Mounting Hardware.