Lithonia Lighting OMA M6 Extruded-Aluminum Mounting Arm Area-Light,Lithonia Lighting,OMA M6" /> Use as an arm for standard and premium area lights Compatible with 100-watt metal halide premium area lights, 70-watt high-sodium standard area lights and 65-Watt fluorescent standard area lights Fits standard and premium area lights Weather resistant for outdoor use Extruded aluminum construction