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Potentiometer Control Knob 45mm Dual-Screw (MF-A05)

The MF-A05 is the largest knob in Imperial's Bakelite range, built for commercial and industrial control interfaces where an operator needs a substantial, unmistakable grip rather than a small fingertip adjustment. Its dual-screw, double-hole locking mechanism clamps onto the shaft from two points instead of one, eliminating the wobble and slow loosening that a single set-screw can develop on a knob this size after heavy daily use. The same 6.4mm bore keeps it compatible with standard rotary potentiometers despite the much larger 45mm cap, so it drops onto existing shafts without modification. It's the natural choice for primary volume or power controls on audio amplifiers, heavy-duty industrial machinery panels, and any commercial control interface where a large, confident-feeling knob is part of the product's perceived build quality.