This site contains affiliate links for which we may be compensated.
Simpson ABA44RZ 4x4 Rough Cut Adjustable Post Base$11.85
The ABA is designed to attach wooden posts to existing concrete. The built-in 1" standoff of this adjustable post base helps to prevent rot at the end of the post. The ABA has a slotted anchor hole in the base for adjustability and attaches to the post with nails or Strong-Drive SD Connector screws.