A post surface mounting system designed for installing 5” composite post sleeves or covers to wood or composite deck surfaces. The two PVC guides are designed to function with all wall thickness of 5” composite post sleeve. Mounting hardware not included. Includes:1- post with welded 5" x 5" leveling plate. 2- 5X5 heavy duty post stiffeners, 4-galvanized brackets, 4- leveling bolts.