Yea, those set screws suck. I got one with the set screws and just modded it in about 5 min.
This is just for the 6 shooter knob since it has the screw off top or any others that has the screw off top
I screwed the top off of the knob and drilled a hole just big enough for the shaft to fit through. Then I put some Gorilla tape around the shaft near where the bottom of the knob would seat. Slide the knob onto the shaft and put a couple washers and the original nut on. I tightend it until it snugged down onto the gorilla tape pretty good and trimmed off whatever gorilla tape was still visible (I still have more to trim off, Bottom pic). Then screwed cap back on top of knob.
I have had the knob on for a few weeks now and it has not come loose one bit. Still as firm as the day I put it on. Just wanted to toss that out there.
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Sorry this one is a little blurry but you can see some tape I still need to trim off the bottom.
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