High-quality PP material: The connecting pipe is made of PP material, durable. Not easy to break. Even if it is used for a long time, it will not be damaged. Inner diameter: Specially designed for 11mm garden stakes Note: The data are all measured manually, please allow 1-3cm error due to different light and display, there may be some color differences, please refer to the actual item received. inner diameter, with these connectors, you can get larger size plant stakes. Stable support: The connector can support your greenhouse stably, which is not easily blown away in windy or rainy days. Easy to use and install: Strong plastic material, light weight, easy to use. You can use the straight pipes to connect the plant stakes, you can adjust them to the length you need, easy to use on the garden shelf, can be reused indoors or outdoors. Can be used on the garden shelf, can be reused indoors or outdoors. Wide application: used to fix garden frame pole, greenhouse film bracket, parasol rod connector, climbing vine, etc. Suitable for orchards, gardens, gardens and other places, convenient and easy to use. Dimensions7*1.1*1.1cm Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.