PERFECT FIT: Direct fit for 2019-2021 Silverado/Sierra 1500 Standard Cab(Excl. 2019 Silverado LD, Sierra Limited), 2020-2021 Silverado/Sierra 2500, 3500 Standard Cab Fit type: Vehicle Specific Model No: 21-24110 item package weight: 33.0 pounds Item Package Dimension: 60.6L x 14.4W x 5.1H inches Item Package Weight - 34 Pounds Item Package Quantity - 1 Product Type - VEHICLE RAIL