[Nil[_2_]]

On 04 Jun 2018, (Scott Dorsey) wrote in
rec.audio.pro:

Little piece of stainless steel that replaces the screw and gives
you a little knurled knob that you can turn. It doesn't wear out
after a short while the way the original screw threads will wear
out if you constantly change the setting.

Tape Warehouse used to sell them for the 122 back in the eighties,
I am sure there are plenty out there.

OK, thanks. I can picture it. A quick look around doesn't find any but
I'll keep looking.