Heavy-duty reinforcement insert for 5″ vinyl fence line posts

The BT5D Structural Insert is a galvanized steel reinforcement support designed for use inside 5” vinyl line posts. Constructed from 18ga galvanized steel, this insert helps strengthen vinyl posts, reduce flexing, and maintain proper alignment over time. The BT5D Structural Insert is 8’ long and installs inside the post to provide added rigidity for long fence runs and standard line post applications.

Features:
• 18ga galvanized steel for corrosion resistance and structural support
• 8’ overall length
• Designed for 5” vinyl line posts
• Helps reduce post flexing, sagging, twisting, and long-term movement
• Installs inside vinyl posts for added rigidity and support