GOTOH VK-15T&VK-18T-GOLD KNOB GUITAR
Concentric guitar control knobs. The knobs have knurled sides and move independently. Upper knob height of 13mm. Upper knob outer diameter of 15mm, inner diameter of 6mm. Lower knob height of 10mm. Lower knob outer diameter of 18mm, inner diameter of 8.1mm.
-Guitar concentric control knobs
-Set screw in side