The inside corner system allows you to add support to the corners of your dog fence and still run the fence all the way to your property line. This kit uses a corner post which is almost 1 inch larger in diameter than our heavy duty dog fence posts and other corner systems on the market, making for a stronger, more stable, and longer lasting construction. This 2 pk will construct two complete corners. Kit Includes 2- 2.5" Corner Posts 4- 1 5/8" diagonal support Posts Hardware And Braces To Complete 2 Separate Corners