What you get 4 piece adjustable deck post anchor base brackets set with screws; designed to fit a range of wooden post sizes and provide adjustable support for deck posts and other structures Durability 7 mm thick metal with a black finish; corrosion resistant for long lasting outdoor use Compatibility and performance Adjustable design to accommodate different post sizes; strong support for deck posts and related applications Applications Ideal for strengthening and supporting posts in decks, mailbox posts, table legs, terrace wooden fences, and signs Installation Predrilled holes for easy attachment to wooden posts or decks and to concrete ground; screws included; enables faster, straightforward installation Use scenarios Reinforce deck railing posts at corners to improve stability and alignment Secure mailbox posts or signposts into concrete bases or wooden surfaces Stabilize table legs or terrace fence posts for longer lasting support