BUY THIS SHELTER LOGIC 10'X20' MAX AP CANOPY 3 WAY FRAME CONNECTOR ELBOW #13101 WHITE. IT IS NEW NEVER USED. IT MEASURES ABOUT 8.75" SIDE TO SIDE ON THE CURVED PART, ON THE STRAIGHT PART 4.25" WITH 1.5" DIAMETER. I WILL SEND A COPY OF THE ORIGINAL LAYOUT, THE ONE YOU CAN SEE IN THE PICTURE. THE FRONT PAGE OF THE INSTRUCTION BOOK FOR SHELTER LOGIC SHOWED DESCRIPTION 10'X20' MAX AP CANOPY-6LEG-WHITE, MODEL #25757.