DECK BLOCK | * 1-3/4"W x 1-3/4"D accepts 2" thick (1-1/2" net) lumber horizontally.
* 3-3/4" sq x 1-3/4"D socket accepts 4" x 4" (3-1/2" x 3-1/2" net) post vertically.
* Solid, pre-formed concrete foundation block.