Channel. Half Slot, 9/16 inch X 1-1/8 Inch inch slots on 2 Inch centers. A Series, 14 Gauge, Depth 1-5/8 inches X Width 1-5/8 inches. 6 Foot Length. 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). 50 Pieces.