Light Bar Bracket clamps to horizontal tube assembly, provides base to sit light bar on and can be drilled and bolted directly to face of uprights if desired. Bracket places light bar base even with tops of upright posts and the clamping installation is suitable for Backrack only. Holes punched in L Brackets (may require drilling to fasten certain light bars). Includes one pair of heavy L Brackets and fasteners.\nLight Bar Bracket; Pair; Heavy Duty L Bracket Kit For Mounting Full Size Light Bars; Backrack ;\nNOTE: Universal for all Racks - EXCLUDING Three Light Rack. If using with Safety Rack, Louvered, Open, LV, TR & SM drilling and cutting is required.\nUniversal Fitment