This allows the knobs to be used with solid shafts or split shafts. The knobs are held in place by a allen headed set screw. Very high quality. The price is the same regardless of metal color. All items will be shipped via USPS, Priority Mail or Canada Post.
Faster service is available on request.
Or you can send me a check or money order. Click for a much larger image. Here are some close up views of these knobs on various guitars. Click on them for an enlarged view.