Made of high-strength, low-alloy steel. LinQ mount for easy-on, easy-off installation. Defender: Can be placed on the LinQ Front Rack (715004312) and the LinQ Cargo Rack (715004281). ATV: Can be placed on both front and back racks of vehicle. LinQ Base (715002350) is required for G2L. LinQ Luggage Rack (715001734) is required for G2S.