The Floyd Rose Original Tremolo System in black nickel features a precision-made German engineering using hardened steel and nickel-plated brass sustain block. The kit includes bridge, springs & claws, mounting studs, and necessary hardware - locking nut sold separately. Its 10" radius is adjustable using either saddle shims or copper/aluminum tape, up to a flatter 12". Experience professional playability and intonation with the Original.