Perfect for musicians and audio enthusiasts, these amplifier knobs are designed to fit seamlessly onto your equipment. The plum shaft design ensures a snug fit, while the finish adds a touch. Use these knobs to effortlessly adjust the volume on your sound system, ensuring optimal audio performance. Features - Color: Black -Material:Plastic - Size: 2.45X2.45X1.40cm/0.96X0.96X0.55in -Enhanced visibility: the design ensures easy operation during nighttime, allowing seamless volume adjustments without interrupting your music experience -Firm attachment: secure installation, ensuring the knob remains tightly connected to the audio system, preventing any loosening -Finish: the process provides the knob with a texture, adding a decorative element to your audio equipment and highlighting your unique taste -Comfortable control: the design increases the contact area, offering a comfortable grip and precise volume control, meeting the needs of professionals -Broad usage: suitable for various audio devices such as amplifiers and speakers, widely applicable in home theaters and recording studios, enhancing the precision and convenience of sound adjustments Package list: 4 volume knobs