Square to Side Post Base. Base Plate 6 Inch X 6 Inch with (4) 3/4 Inch Diameter Holes in corners. Attached to Bracket 1-5/8 Inch Tall, Depth 1-5/8 Inch, Width 3-3/8 Inch with 2 9/16 Inch holes on long side and 1 hole on each short side. GoldGalv Finish. Trivalent Chromium, RoHS Compliant, OSHA Safe. UV Stable. Will not form white rust when left outdoors. Will not chip, peel or crack. Superior corrosion resistant. Ends and punched holes are protected. Clean, paintable surface. Plating is in compliance with ASTM Specifications (B 633-85).