Check the listing for details. Fits Ghost Gate Controls 3" Rear Post Bracket AX3RW for 3 Inch Round Posts A. Condition: New. Listed at 22.99 USD. Description： Products include: 1 PACK Round Post Adapter Brackets with 4 Installation Screws & Washers Fits for Model: 3 inch Steel Round Columns. Automatic door systems suitable for most residential, farm, commercial, and other locations Easy installation: Meets the installation requirements of most automatic door systems, providing a sturdy support and reducing shaking. The kit includes installation screws and washers, eliminating the need to purchase additional installation accessories and making installation simpler IMPORTANT PURCHASE TIPS: It would be advisable to verify your machine model or part number before purchasing. Please feel free to reach out to us for support whenever needed. Free Shipping & No Hassle Return. We are here to make your shopping experience happy.