Description: 【Easy to Adjust and Operate】: These knobs are designed for effortless adjustment and user friendly operate, making them ideal for various applications requiring control 【Stylish Design】: Featuring a diverse range of appearances, these knobs not only enhance the aesthetic of your equipment but also ensure long term durability 【Material】: Crafted from premium Alloy material, these knobs offer reliable performance and resistance to wear and tear over time. 【Wide Application】: This volume control knob is suitable for all kinds of electronic devices, such as electric guitars, dimmers, potentiometers, etc 【Precision Fit】: With an inner hole diameter of 6mm, this knob is engineered to fit securely on standard potentiometer shafts, providing smooth and precise volume adjustments   Specification: Material: Alloy   Size Chart: 2.43cmx1.45cmx1.95cm/0.96inchx0.57inchx0.77inch Package Includes: 1x Potentiometer Knobs 1x Adjustment wrench Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.