Inside Corner Roller for Rail Fences, Both Conductive and Non-Conductive 6pcs

["Inside Corner roller for rail fences, both conductive and non-conductive.","Allows rails to run inside most corners smoothly and securely for easy, even tensioning","Maintains fence's run inside posts and corners","Even tensioning Easy, fast installation","Minimizes horses' access to corner bracing, meaning they have less chance for cribbing"]