The 90-Degree Quad Low Profile Bullhorn Mounting Bracket by J&H LED converts a single tenon into four, streamlining the installation of up to four outdoor lighting fixtures on round poles. Made from durable steel with double-strength reinforced welds, this bracket is built to last. It is designed for use on wood, steel, and concrete poles and fits seamlessly onto a 2-3/8″ inch OD tenon or light pole top.