A locking nut set for use with double locking tremolos (typically paired with Gotoh's GE1996T). These are premium quality locking nuts made from durable steel to ensure a long working live without maintenance.
These are supplied with three shims that can be placed under the nut to adjust the height, a string tensioner bar, along with the accompanying screws and allen keys for installation.
These are mounted through the top, these are not bottom mounted (see FGR-1 for bottom mounted version).
Dimensions can be found in the final product photo.