add mass and sustain to your floyd rose bridge along with the tonal qualities of brass works with floyd rose original, non-fine tuner, 7-string, 1000 series, and special tremolo systems width is 50.15 mm and thickness is 12.90 mm since this block is larger than a conventional sustain block, it can also limit upward travel of the tremolo and can be set to rest against the body in a blocked bridge configuration increasing warmth and clarity simultaneously, a rare combination