20x durable greenhouse connectors for plant stands, furniture connectors describe: High-quality and durable plastic construction ensures the stability of the flowerbed 11mm inner diameter, suitable for 11mm PVC pipe or metal pipe; The clasp can support the greenhouse strongly, and it is not easy to blow it off in strong winds or rainy weather There are five types of fixings for each type of greenhouse to suit the different greenhouse construction needs Perfect for repairing or building greenhouses, flower beds, cold rooms, furniture, shelves, stages etc. Specification: material: plastic; Size chart: Inner Diameter: 1.1 cm / 0.43 inch T 3 way: 6.8 x 4 cm / 2.68 x 1.57 inch 3-way right angle: 4 x 1.1 mm / 1.57 x 0.43 inch 4 way cross: 6.8 x 1.1 cm / 2.68 x 0.43 inch 4-way right angle: 6.8 x 4 cm / 2.68 x 1.57 inch Package includes: 20 greenhouse joints