Gate Parts › Gate Corner: 1 3/8-inch Aluminum Image 1 of 1 Gate Corner: 1 3/8-inch Aluminum $10.95 1 3/8 inch x 1 3/8 inch black metal gate corner. Used to assemble gates by connecting gate pipes at 90 degrees. Quantity: Add To Cart Added! 1 3/8 inch x 1 3/8 inch black metal gate corner. Used to assemble gates by connecting gate pipes at 90 degrees. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More