Set of 46 potentiometer control knobs designed for reliable, consistent adjustment and broad project use. Each knob features a 4 mm shaft insert diameter and a brass tone core for stable fit and a refined appearance. Ideal for , replacement, or custom builds that require multiple matching knobs. Key benefits Precise fit: Designed for potentiometer shafts that measure 4 mm in diameter, reducing wobble and play for smoother control. Durable core: Brass tone core adds strength where the knob meets the shaft, improving longevity under regular use. Economical kit size: 46 pieces provide enough knobs for multiunit repairs, audio racks, pedalboards, or prototyping without frequent reordering. Consistent feel: Uniform construction across the set delivers predictable tactile feedback across multiple controls. Easy selection: Suitable for projects that require multiple identical knobs for visual and functional consistency. Important attributes Function: Control knobs for potentiometers used to adjust volume, tone, level, and other analog controls. Compatibility: Fits potentiometer shafts with a 4 mm insert diameter. Check shaft diameter before installation to confirm compatibility. Size: Shaft insert diameter 4 mm; quantity 46 pieces per set. Material: Brass tone core; outer material unspecified in the original specification. Performance: Built to provide stable mechanical engagement and repeatable control in audio and electronic applications. Practical applications Guitar amplifiers and effects units: worn or mismatched knobs to restore consistent control across channels. DIY audio projects and synthesizers: Outfit custom builds and prototypes with a full set of matching knobs for a professional look. Studio consoles and mixing equipment: Keep spare knobs on hand for maintenance, rapid replacements, or retrofitting small racks. Quick usage tips Verify the potentiometer shaft measures 4 mm in diameter before pressing a knob into place. Testfit a single knob to confirm fit and alignment prior to installing the complete set. Use gentle, even pressure when installing to avoid stressing the core or the potentiometer shaft. Product identifier id:a7f90e164c This 46piece 4 mm shaft insert knob set is a practical supply for hobbyists, technicians, and audio professionals who need consistent, reliable control knobs across multiple units and projects.