Here are pics for comparison:
http://www.audiozone.dk/tremolo/JT-5...glelocking.jpg
Single-locking
http://www.audiozone.dk/tremolo/JT-590-b.jpg
Double-locking
They look very similar, but note the lack of string locking blocks on the first one.
http://www.audiozone.dk/tremolo/JT-5...glelocking.jpg
Single-locking
http://www.audiozone.dk/tremolo/JT-590-b.jpg
Double-locking
They look very similar, but note the lack of string locking blocks on the first one.

Comment