Canopies and Tarps' popular 1 5/8" low peak top fitting is a must-have, essential accessory when building a structure that designed to protect you and your valued possessions from adverse weather conditions including rain, snow, sleet and wind. The fitting's inside diameter is 1 3/4" and includes welded connections. Made of quality, galvanized steel, each low peak top fitting is reinforced and very stable. Eyebolts and its 102-degree angle ensure a secure fit for each pole inserted.