Metal dome guitar knobs for tone and volume control, available in metal and brass finishes. Designed for reliable fit and precise adjustment on electric guitars and basses. Key benefits Secure attachment: set screw fastening provides a tight, noslip connection to the potentiometer shaft for consistent control. Flexible compatibility: hollow shaft option for pots that accept hollow shafts; brass dome knob option designed to fit solid shaft potentiometers. Durable material: metal and brass construction stands up to repeated use while retaining finish and feel. Improved playability: dome shape and smooth rotary action make volume and tone adjustments easy and repeatable. Visual and functional upgrade: simple way to refresh instrument controls without modifying electronics. Features and attributes Function: intended for use as tone or volume knobs on guitars and basses. Compatibility: suitable for potentiometers with hollow shafts when using the hollow shaft knobs with set screw; brass dome knobs are designed to fit solid shaft potentiometers. Material: metal and brass options for strength and classic appearance. Fastening: set screw design ensures stable mounting and easy installation or removal. Control type: dome style provides a familiar grip and tactile feedback for precise adjustments. Practical use scenarios worn or stripped knobs on an electric guitar to restore secure volume and tone control during rehearsals and performances. Swap factory knobs on a bass to achieve a vintage brass look while maintaining proper fit on solid shaft potentiometers. Upgrade control knobs on a custom or DIY instrument project where a durable metal knob with reliable set screw fastening is required. Installation tips Confirm whether your potentiometer has a hollow or solid shaft before selecting the appropriate knob variant. Tighten the set screw gently but firmly to avoid damaging the potentiometer shaft. For a snug fit on solid shafts, use the brass dome knob designed for solid shaft potentiometers. This product provides straightforward, reliable control hardware for guitar and bass applications, combining durable materials with secure mounting options to suit both hollow and solid shaft potentiometers.