Wasn't sure where else to put this, but...

Any of yous have the fret rocker that Adam sells?

Just wondering how good they are for $14.95. I see the same ones on flea bay for less, but I'm dubious 'cause those buggers sell everything from kitchen gadgets to sporting goods - not dedicated musical instruments or luthier tools.

I dinged my expensive one and am looking for a replacement.
I'm also looking for a local machine shop/precision grinder that can fix my dingled one.

Any experience/opinions here appreciated.