Schaller tremolo Double Locking FR set with Nut R2. Includes mounting and locking materials. Gold edition with hardened blades and steel ratchet ensuring exceptionally long sustain. String dimension: 10.7mm, tremolo block 42mm. Includes locking nut 41.3mm, string retainers, springs, height adjustment screws, and Allen key. Licensed Floyd Rose tremolo, guarantees exceptionally long sustain. Includes springs, tremolo arm, and Thomann hex key, tremolo block 42mm, Length: 41.28mm, Color: Gold, Includes: locking nut R3, string retainer, height adjustment screw, and mounting accessories.