- Durable Construction: The star lock nut knob features a robust bakelite body reinforced with molded brass inserts, ensuring long-lasting use without peeling. - Rust-Resistant and Reliable: Crafted from high-quality copper, the handle nut boasts excellent rust resistance and structural integrity, preventing deformation over time. Its smooth surface enhances grip comfort during operation. - Effortless Adjustments: Designed with ergonomic precision, the internally threaded nut knob set allows for easy adjustment and secure tightening, providing maximum control and agility without needing additional tools. - Versatile Applications: This handle star knob is universally compatible with various machine tools, making it suitable for instruments, meters, industrial equipment, and food processing machinery. - Size and Functionality: Ideal for any project requiring reliable fastening, the star nut knob offers an effective solution for enhancing both safety and efficiency in diverse settings. Choose this product for a dependable, user-friendly adjustment mechanism that stands out for its performance and durability across multiple applications.