BiggsFix Tuning Stabilizer V3 (Version 3) for Bigsby “Licensed” B50, B70 and B700 for Chrome/Nickel Hardware. If you are experiencing too much down pressure and your string angle over the bridge is extreme, then adding the BiggsFix “version 3″ results in your string angle more closely matching that of Bigsby’s non-tension roller vibrato systems.
I had it on My Gretsch 5622 with a B70 Bigsby and it made a real difference in tuning and string tension. Check out the YouTube videos ( https://www.youtube.com/watch?v=fo0SNv3PJI0 ) for more detail and the simple installation instructions. You don’t even have to take off the strings
The unit is very good condition. I misplaced the hex key (9/64) but you probably already have one.
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