Detail Description: The Rhino-Rack Backbone is a custom vehicle specific designed interior and exterior structure for the Jeep JT Gladiator Pickup Truck. The 2 mounting plates on each side of the fiberglass roof are connected to the interior frame and vehicles roll cage. Utilizing the interior structure, we have been able to allow for a maximum load rating of up to 220 Pound or 100 kilo gram on the roof Features and Benefits:Made From Strong And Durable Materials Allowing For Maximum Carrying Capacity Black Powder Coating For Increased Corrosion Resistance Stylish And Low Profile Design Specifically Designed To Be Used With The Jeep JT Gladiator Pick Up Truck No Measuring Required Single Person Installation Limited 5 Year Warranty Attributes:Compatibility: 42121BF Roof Rack Platform Along With Vortex And Heavy Duty Cross Bars Fitments:2024-2024 Jeep Wrangler2018-2023 Jeep Wrangler JL