Simpson 6 x 6 Adjustable Post Base ZMAX ABA66Z ECC End Column Caps 5 is specifically noted as

5 is specifically noted as suitable for retrofit applications

Decks and deck framing connections

Diameter (D) 1/16"

and what does it protect against

Simpson 6 x 6 Adjustable Post Base ZMAX ABA66Z ECC End Column Caps 5 is specifically noted asSimpson Strong Tie ABA66Z ABA ZMAX Galvanized Adjustable Standoff Post Base for 6x6 is a heavy duty post base engineered by Simpson Strong Tie to attach nominal 6x6 wooden posts to existing concrete. Built from 14 gauge steel with ZMAX galvanization, this adjustable standoff post base delivers superior corrosion resistance and a reliable structural connection making it a cost effective solution for decks, patios, pergolas, and other exterior or