Fits: 2007–2022 Jeep Wrangler 2007–2011 Dodge Nitro 2015–2020 Chevrolet Tahoe 2015–2020 Chevrolet Suburban 2015–2020 GMC Yukon 2015–2020 GMC Yukon XL 2015–2020 Cadillac Escalade Rhino-RackRCL6Roof RackThe low profile RCL Locking Legs are designed with a key locking system to reduce wind resistance and increase security. This unique design helps reduce noise without compromising durability and load carrying capacity.Reduce noise from your roof rack without compromising durability or carrying capacity with the Rhino-Rack USA RCL Locking Legs Brackets. These locking legs with a key locking feature helps to reduce wind noise, while increasing security. Rhino-Rack RCL Locking Leg Brackets are compatible with a variety of their roof systems, with additional spaces. Features and benefits: * Suits Vortex, heavy-duty bars and Pioneer Systems using various QMFK spacers * Low-profile 37mm/1.46 in. (high-profile also available 52mm/2.05 in.) * Includes leg brackets, along with assorted nuts and bolts for assembly * Removeable and easy to install * Locking cover with a compartment for an Allen key * Height adjustable using various QMFK spacers * Suitable for heavy off-road use * Tested and approved to Australian Standards AS1235-2000