Description: 【Fit Standard 】: Post Base is designed to accommodate standard measuring 15.2 x 15.2 cm, with an actual interior dimension of 14.7 cm, ensuring a tight and secure with your structure 【Mild Steel Construction】: Fence Post Holder is made of mild steel with a black coated finish to withstand the elements, and is supported by 3.1 mm thick, sturdy steel 【Enhanced Stability】: Anchor Bracket features welded steel anchors with a length of 140 mm and a diameter of 17 mm, providing enhanced stability and strength for your fencing needs 【Multiple Mounting Holes】: Porch Railing Support is equipped with nine mounting holes, each with a diameter of 14 mm, which are compatible with 1.27 cm anchor bolts (screws and pins not included), making installation simple and adaptable to a variety of surfaces 【Ground Protection Design】: Ground Post Bracket Base design includes a fully welded steel single hole base plate to raise the post above the ground, preventing direct contact with the ground to reduce moisture damage and extend the life of the post Size Chart: 14cmx14cmx28cm/5.51inchx5.51inchx11.02inch Package Includes: 1 Fence Post Base Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.