... (Chrome ) , BK ( Black Chrome ) , GD ( Gold )Tremolos for Electric Guitar and BassModel No: BL-02 Finished : NI ( Nickel) , CR (Chrome ... ) , BK ( Black Chrome ) , GD ( Gold )Tremolos for Electric Guitar and BassModel No: BL-03 Finished : NI ( Nickel) , CR (Chrome ... ) , BK ( Black Chrome ) , GD ( Gold )Tremolos for Electric Guitar and BassModel No: BL-05 Finished : NI ( Nickel) , CR (Chrome ...