Includes 1 aluminum post, 1 post cap and 1 post base trim Actual measurements are 2.5-in x 2.5-in x 48.38-in Compatible with Deckorators Aluminum Pre-Assembled Rail Kits (item #1223169, 1223171, 1223170) For 42-in rail height or 36-in or 42-in stair rail heights
