GLOBAL LED AREA LIGHT MOUNTING BRACKETS INCLUDES ARM AND ROUND & SQUARE POLE FITTINGS THE MOUNTING BRACKETS FIT GLOBAL ITEMS 501742 & 501743. THEY ARE ALREADY INCLUDED IN THE CONTRACTOR PACK VERSION 501743. THESE BRACKETS ALLOW FOR THE FIXTURE TO BE MOUNTED ON A WALL OR POLE MOUNTED WITH THE OPTION OF BOTH ROUND OR SQUARE POLES.