We've got a multi-bass project going on here, building some prototypes, and I needed a tuner turner I could chuck in a drill/driver; this one's just a piece of high density polyethylene (I think), slit on the tablesaw, and drilled out so that a 1/4" driver bit's a forcefit. I darkened the edges with a sharpie, so they'd show up.
Here are some related products that TB members are talking about. Clicking on a product will take you to TB’s partner, Primary, where you can find links to TB discussions about these products. Browser not compatible