Sturdy PP plastic construction: Made from robust PP plastic that resists rust and rot, providing a durable fixing for greenhouse film and netting and reducing the risk of breakage compared with other materials. Set of 50 pieces: Each package includes 50 greenhouse clamps, supplying a practical quantity for daily gardening use and replacements, suitable for a variety of greenhouse setups and tunnel projects without the need for additional purchases. Practical threaded design: Features a threaded mechanism for easy spring buckle application and to prevent slipping when pressed, allowing you to adjust the clip position securely to fit different pipe sizes and gardening requirements. Versatile greenhouse application: Suitable for attaching greenhouse film and netting to pipes, sun visors, and tunnel hoops, making these clips a general choice for building or repairing greenhouses, floor coverings, and other outdoor gardening structures. Practical uses: Attaching greenhouse film to PVC or metal hoop frames in home or commercial greenhouses. Securing shade cloth or insect netting to tunnel hoops or sun visors to regulate light and airflow. Replacing worn or missing clips during greenhouse construction or maintenance, and used for temporary floor coverings or related outdoor garden projects.