Description Crafted from premium aluminum, these textured rotary knobs offer a sleek design that enhances the appearance of your o equipment or musical instruments. The knurled surface ensures a comfortable grip, making precise adjustments easy. Ideal for volume control, tone modulation, and potentiometer switches. Features - Color: Black - Material: Aluminum - Size: 2.50 x 2.50 x 1.60 cm / 0.98 x 0.98 x 0.63 in - Bottom inner diameter: 19 mm - Hole diameter: 6 mm - Potentiometer knob: Made from aluminum, these knobs provide durability and stability for long-term use, improving the tactile experience of o equipment operation - Knurled texture design: The textured surface provides excellent grip, allowing precise volume control even with wet or oily hands - Volume knob: Combines a rotary switch with a potentiometer for streamlined panel layouts, saving space and simplifying o system design - Versatile application: Suitable for home theaters, professional recording studios, and other o setups, enabling easy fine-tuning of sound levels - Smooth volume transition: Offers high sensitivity for seamless adjustments from low to high volume, enhancing the tory experience Package list: 3 x aluminum knobs