OPT7 xMount 50" Curved LED Light Bar Top Windshield Mounting Brackets Kit for 2007-2013 Chevy/GMC 1500 2500 3500 Tahoe Yukon Suburban OPT7 xMount Light Bar Brackets provide special features of: Extreme Durability, Precision Alignment, and 360 Custom Adjustibility Mounts 50-inch Curved Light bars on 2007-2013 Chevrolet/GMC 1500, 2500, 3500, Tahoe, Yukon, Suburban upper windshield/roof Made of special high-strength, stainless steel for extreme durability With precise alignment, your mounted light bar is guaranteed a snug fit to your vehicle Unique, weather-proof finish makes OPT7 brackets impossible to corrode and withstand the harshest weather conditions