Lefty tremolo for electric guitar. Exchangeable knife edges made of hardened steel and cast steel saddles, combined with a solid tremolo block provide perfect sound transmission and an extremely long sustain. The tremolo radius is 12'', the radius of the nut element is 10'' for the R2- or R3-Nut. All tremolo systems are supplied complete with nut, string retainers, springs, height adjustment screws, Allen wrench and mounting accessories. Tremolo blocks in heights of 32, 37 and 42mm. (standard: 42mm). Special studs with additional inserts are used to mount the tremolo onto the instrument. The inserts have a fine thread. We also supply studs with threads which enable the studs to be specify screwed into the wood body of the instrument directly, i.e. without inserts. The dimensions of Schaller Tremolo are exactly the same as the dimensions of both the Floyd Rose Tremolo and LockMeister Tremolo. You can easily replace your Floyd Rose Tremolo or your LockMeister Tremolo with a Schaller Tremolo. Features: Model: Left-Hand, Model: With Locking-Nut (No.), Tremolo-Block (mm): 32/37/42, Measurements l x w x h (mm): 92x58x10, Weight g/item: 440, Bore mm: 10, Surface: Chrome