Ibanez 2LE21B Tremolo Arm Black 2LE21B Tremolo Arm Black The Ibanez 2LE21B Tremolo Arm is constructed from ultradurable stainless steel and features bushings for smooth play and long life Includes 2 extra bushings Fits clip in unthreaded 3/16" (6mm) vibrato units, including most Ibanez rocking vibrato units The Ibanez 2LE21B Tremolo Arm is constructed from ultradurable stainless steel and features bushings for smooth play and long life