The J&H LED 4 in. Square Mounting Bracket adapter is designed to effortlessly convert the upper section of a 4 in. square pole into a 2-3/8 in. tenon. Regardless of the pole's gauge and material, this adapter seamlessly integrates into the lower part of the pole with a snug internal fit. Offered in a standard dark bronze finish, the tenon adapter ensures compatibility and durability for J&H LED lighting solutions.