This Schaller R2 Locking Nut is the same one that comes stock with their LockMeister Double Locking Floyd Rose Tremolo and can be used with almost all double locking tremolo equipped guitars with 41.4 mm (1 5/8") wide nuts (we stock the more common R3 size for 43 mm wide nuts as a separate item). Both top mounting screws and rear mounting threaded bolts are included.

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