These mounting brackets are used as the base support to the PBJG001S and the PBJG001T. These brackets secures to the bed of the Jeep Gladiator using the OEM ''Trail Rail Cargo Management System'' which bolts to the existing factory mounting points. The Pro Bed Rack Kit or System can not be installed without these factory rails. Made from high strength steel and finished in the same durable black powder coating as the Front Runner Racks. No drilling or vehicle modification required to mount these brackets. *Note: PBJG001S and PBJG001T are sold separately.Note: If you have any questions about whether or not this product will fit your vehicle, please contact Front Runner before purchase.