- Product Dimensions: Head Diameter: 60mm (2.36 inches); Thread Length: 30mm (1.18 inches); Thread Diameter: 12mm (0.47 inches); Total Height: 65mm (2.56 inches). - Durable Construction: Made from high-quality plastic and metal, these replacement knobs are designed for long-lasting performance. The metal bolts ensure strength, wear-resistance, and corrosion-resistance, making them ideal for various applications. - User-Friendly Design: The star-shaped knobs allow for easy tightening and loosening without the need for any additional tools. This feature enhances convenience, making adjustments quick and hassle-free. - Versatile Applications: Perfect for use in a variety of settings, including lathe machines, mechanical equipment, instruments, and industrial equipment. Whether you are in a workshop or a manufacturing environment, these knobs provide reliable performance. - Compatibility: These knobs are designed to fit a wide range of machinery and instruments, ensuring that you can use them in multiple applications without compatibility concerns. Choose these robust and practical replacement knobs for your equipment needs, and experience the convenience and reliability they bring to your tasks.