This is the little "locking knob" from the SX-42's main tuning knob.
What you see is a clear overlay with the graphic - I have never seen a
SX-42 where this graphic has not been worn off. So I did a computer
graphic and my friend, Craig, W3CRR, had them printed.
for your SX-42 at 3 for $10 ppd.
PayPal [firstname.lastname@example.org] or payment to:
Bob Sullivan, P. O. Box 79, Great Falls, VA 22066