Brass tremolo stopper. Used as a floating bridge stop for Fender and Floyd Rose style tremolo systems. Prevents inadvertent vibrato effects produced by resting the picking hand over the bridge while playing. Allows for down-bends and prevents up-bends for a stabilized return of the whammy bar. Allen screw can be easily reversed to allow for a floating bridge setup again. Includes: 1 × brass block (1.05" L x .39" W x .49" H) 1 × allen key, 2 mm 1 × allen screw (M4 x .70 thread, 20 mm length) 1 × hex nut (M4 x .70 thread) 2 × countersunk mounting screws (10 mm length)