Philmore S38 Vernier Control Knob
- Provides smooth and precise tuning for either a potentiometer or variable capacitor.
- Planetary drive provides 8 to 1 ratio, allowing for very fine adjustment of standard controls.
- The metal dial plat is calibrated by etching and paint filling on brushed satin finish for a very attractive appearance.
- Knob is calibrated over 180 degrees of turn, reading from zero to 100 by clockwise rotation.
- Fits standard 1/4" control shafts and mounts on surface of cabinet or chassis.