High quality materials: It is made of safe, non-toxic and recyclable plastic material, which can withstand impact and is not easy to break or break. Size Information: The inner fitting is about 16mm in diameter, suitable for PVC or metal pipes with an outer diameter of 16mm. Safe and stable support: The connector can stably support your greenhouse, which is not easily blown away in windy or rainy weather.< /p> Perfectly applicablevery suitable for displaying items, such as greenhouses, picture frames, furniture, shelves, swimming pool products, etc. widely used:Suitable for flower stands and the construction of greenhouse frames, etc. Product name: 5-way steel pipe connector Green color Size : diameter: 16mm Features: 1. Strong and durable, made of PVC, strong and durable, wear-resistant, reusable and long service life. 2. It can be arbitrarily matched, you can install the mounting frame connector at the bottom to interact with other connectors to build a greenhouse. It can also be installed on the top as a tool to connect the other two greenhouses. Wide application: it can be used to build frames for greenhouses, flower stands, grape stands, sun shelters, etc., which can keep your greenhouse stable and not easily blown away by the wind. Delivery quantity: 5 * installation frame connector