Packaging content: You will receive 6 star shaped clamping nuts with a head diameter of 32mm; Internal thread diameter: 8mm. Easy to use, it can meet your daily needs.High quality material: The M8 clamping nut is made of high-quality plastic and copper, with fine workmanship, no edges or burrs, smooth finish, sturdy and durable, and long service life. These brass internal thread clamping knobs are compatible with standard bolt threads. Provides a secure grip and resists slipping.Unique design: Star-shaped handle for a more comfortable grip; Internal thread is clear and complete, ensuring even force distribution. Ergonomic design with anti-slip features to prevent hand scratches.Easy to use: The star nut tightening knob has pre-threaded design for easy insertion. Securely grips the bolt thread to prevent loosening. Can be directly screwed onto a threaded rod. A reliable replacement for worn or broken handles.Widely used: The star head clamping knob is ideal for manual adjustments in mechanical applications. Commonly used in mechanical equipment, furniture assembly, machine tools, fitness equipment, and industrial machinery. Suitable for a variety of applications. A practical and dependable choice.