Features: Brand new and high quality These pack of 10 guitar knobs for guitar effects pedals add a touch of sophistication to your equipment, making it visually appealing. These knobs are suitable for various devices such as guitar effects pedals, and speaker. Easy installation on 1/4" diameter shafts. Perfect for guitar enthusiasts, musicians, electronic music producers, and recording engineers, these knobs provide a comfortable grip and smooth operations. Whether you're modifying instrument, adjusting effect, or fine tunings guitar tone, these knobs are essential tool for precise control. Their smooth design and excellent performances make them a great selection for musicians, sound enthusiasts, and professionals. Specifications: Materials: Plastics Color Options: 6 Color are Available as Shown in the Picture. Package Weight: approx.75g Hole Diameter: approx.6.4mm/0.25in (More Size Detail, Please See Picture.) Package Includes: 10Pcs Guitar Knobs note: Please allow 1-3mm error due to manual measurement. Please make sure you not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!