Metal guardrail ground bracket (52 mm inner diameter) for fence/mailbox/flagpole mounting base, heavy-duty street lighting mounting adapter

High quality: (52 mm inner diameter) Made of durable steel, powder-coated black, long-lasting and widely used in chain-link fence posts, lampposts, mailbox posts, and other steel column bases.

Sturdy structure: The solid round base structure and smooth welding enhance the stability and robustness of the metal column, which can be freely adjusted using the side fixing screws.

Easy to install: Pre-drill a 0.47 inch/12 mm hole for easy installation, place the base flange on the ground and mark the hole location, secure with expansion bolts, then slide the uprights into place and tighten with the setting screws on both sides.