Welcome to our store! This product is easy to use and install. It is made of PP plastic, strong and durable. Suitable for wooden stakes with diameters of 8mm, 11mm, 16mm, and 20mm. Its sturdy structure is perfect for your tomatoes and other climbing vegetables and fruits. Suitable for orchards, gardens, and other places, convenient and easy to use. Specification: Material: PP. Size: Inner diameter 8mm, 11mm, 16mm, 20mm. Color: Green. Usage: Fixed garden frame pole, fixed greenhouse film bracket, sunshade pole connection, climbing pergola. Package includes: 12 x Connector. Note: The product dimension drawing is manually measured, there may be an error of 1-2mm. Due to differences in computer monitors, color differences may occur, and the picture may not reflect the actual color of the item. Please understand this. Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We do our best to provide you with satisfactory customer service.