Understanding this increasingly perilous environment, Ameristar?designed Echelon Plus?with components that were significantly augmented in size and shape. - Post enlarged by 25% from 2?to 2-1/2?square - Post reinforced by internal rib to resist bending - Rail enlarged by 25% from 1?to 1-1/4?high - Rail reinforced internally to resist side impact - Picket enlarged by 25% from 5/8?to 3/4?square - Holes to mount rail eliminated from post design; replaced by stronger exterior bracket Standard color is black. Other powder coat colors are available as special order. Hot Dipped Galvanized undercoat available on all fence styles for additional charge (Pool Fence comes with HDG undercoat standard).