The M METERXITY 12 Pcs 16mm Greenhouse Frame Building Connectors are essential for connecting and securing your greenhouse frame pieces. These obtuse pipe fittings are designed to ensure a strong and secure bond, even in harsh weather conditions. The 3-way design with a larger diameter opening at the joint allows for easy connection and installation. The connectors are made of high-quality material, ensuring durability and longevity. They are perfect for grape trellises, sundeck, or any other gardening or building project. Make your gardening experience easier with these greenhouse accessories, available in a variety of colors for easy identification.