Hosco Speed Control Knob Gibson Style
Inch Size Press-On Made in Japan
Authentic Gibson-style speed control knob with press-on mounting for US inch potentiometers. Features a 24-tooth knurled insert designed specifically for 1/4″ (6.35mm) shafts with 24 teeth. The transparent black plastic maintains classic aesthetics while providing precise grip and control.
Technical Specifications
| Mounting Type | Press-on (no set screw) |
| Shaft Compatibility | 1/4″ (6.35mm) with 24 teeth |
| Material | Transparent plastic |
| Color |
Available in multiple color options |
| Unit System | US Inch |
Key Features
- Authentic Gibson style – Classic speed knob profile
- Secure press-fit – 24-tooth knurl ensures firm grip without screws
- Precision fit – Designed specifically for US inch potentiometers
- Premium material – Transparent black plastic for durability
- Versatile compatibility – Works with both full and split-shaft pots (22-24 teeth)
Compatibility Notes
Designed for US inch potentiometers with 1/4″ (6.35mm) diameter shafts featuring 24 teeth knurling. Compatible with split-shaft pots (showing 22 teeth). While not recommended, can be forced onto metric 6mm/18-tooth shafts in emergencies.
Note: Proper installation on inch-size potentiometers recommended for optimal performance.


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