Package Contents: You will receive 6 x star grip nuts, head diameter: 32mm; internal thread diameter: 8mm. Easy to use and suitable for daily applications. Premium Material: The M8 button nut is made of quality plastic and copper, with fine workmanship, no sharp edges or burrs, smooth finish, strong and durable, designed for long service life. These brass female thread clamp knobs fit securely with compatible bolt threads. Holds firmly and does not slip. Unique Design: Featuring a plum blossom handle for a comfortable grip; internal thread is clear and complete, ensuring even force distribution. Ergonomic design provides a non-slip effect without scratching hands. Easy to Use: The star nut tightening knob is pre-threaded for easy installation. Securely grips bolt threads to prevent loosening. Can be directly screwed into a threaded rod. A practical replacement for old or damaged handles. Wide Application: The star head clamp knob is ideal for manual adjustments in mechanical engineering. Commonly used in mechanical equipment, furniture assembly, machine tools, fitness equipment, and industrial machinery. Suitable for various applications. Product Specifications: Materials: Brass, Plastic Color: Black Handle Style: 6 Pointed Star Shape Inner Thread Diameter: M8 Head Diameter: 1.26 inch / 32 mm Package Includes: 6 x M8 Star Screws Features: 1. Made of quality plastic and copper for durability and long life. 2. Plum blossom shape design allows for easy adjustment and tightening. 3. Smooth surface provides a comfortable grip. 4. Clear and precise threading ensures secure fastening and prevents slipping. 5. Simple installation without the need for additional tools. 6. Widely used in lathes, mechanical equipment, instruments, appliances, and industrial equipment. Suitable for use in various industrial and household applications. Star knobs are ideal for manual adjustments in mechanical engineering and serve as excellent replacements for worn or broken knob handles.