Ergonomic Star Design: Our clamping knobs feature a 6-star shape, designed for comfortable gripping, ensuring control and precision without causing hand fatigue. Anti-Rust Copper Handle: The handle nut is made of high-quality copper, providing durability and resistance against rust, ideal for demanding environments. Smooth Surface Grip: With a polished surface free of edges and burrs, these knobs offer a pleasant touch and secure handling. Wide Application: Suitable for various mechanical engineering tasks, from furniture assembly to industrial factory settings, enhancing efficiency and safety. Screw Design: For ease of installation, disassembly, and adjustment, these knobs integrate seamlessly into your machinery, offering a quick fix solution. Engineered for precision, these Threaded Knob Nuts with Ergonomic Star Design are your go-to for any project requiring a firm grip and reliable performance.