No More Back-Breaking Work: Use the BISupply 6x6 Fence Post Anchors Metal Post Bracket Base 4 Pack to easily install 6 x 6-inch (15 x 15 cm) wood posts without inserting in ground Use Your Posts: Fits standard 6 x 6-inch posts; 5.6 x 5.6-inch (14.2 x 14.2 cm) true dimensions with screws on one side to allow the wood post anchor opening to be large enough to insert your 6x6 and then tighten to hold firmly Anywhere Posts are Needed: For deck hand railing, pergola, fence, sign, garden fence, and similar posts up to 4 feet (1.2 m) high; Post holder stands 6 inches (15.2 cm) tall with 8 x 8-inch (20.3 x 20.3 cm) base plate Install Easily: Insert your post into this square post anchor support; Tighten post base around your post with included hardware; Optionally use the (4) 7/16-inch (11 mm) base predrilled holes that stand 6.75 inches (17.1 cm) apart (center to center) to bolt down on your flat surface Package Contents: Fence anchors package includes 4 individual 6x6 ground anchor post bases with 2 tightening screws with locking nuts per fence post ground spike; Wooden posts and bolt down screws not included No more back-breaking work|Fits standard 6 x 6-inch posts|Use anywhere posts are needed|Great for fence, sign, pergola posts and more, up to 4 feet (1.2 m) high