Schaller 377 Sure Claw spring tensioner. Adjusts and maintains spring tension without removing your guitar's back cover plate.
A must for floyd rose users.
I have installed these on multiple guitars and the improvements in tuning stability and ease of use are amazing. The claw has such an even and long turn to pull ratio that you can actually adjust the pitch on all the strings simultaneously without unlocking the nut clamp on a floyd equipped guitar.Reviewed by: (Verified Buyer) Paul Marquez from Southern California. on 2/1/2015
Have used them since I discovered them in '05. Two perfect, sealed Schaller tuners turn two worm gears to provide smooth and precise tension. Your back plate can have an access hole for your 3mm wrench (same as floyd). How easy is that? Then there's the added mass for better coupling all around. I'm amazed this hasn't caught on more, it's really not that expensive of an upgradeReviewed by: Greg Reszel from NE IN. on 8/31/2016
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