CURVE-BLK / Deluxe Post Curved Arm – Black Products » Gaines » CURVE-BLK / Deluxe Post Curved Arm - Black CURVE-BLK / Deluxe Post Curved Arm - Black $79.00 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 20 25 30 40 50 75 100 Keystone Series Deluxe Post replacement Curved Arm. Black powder coat finish. Cast Aluminum. Mounting hardware included.