Compatible with: Double locking tremolo system compatible with floyd rose style guitar or other similar guitar. Feature: in addition to pressing down the handle, the double shake can also lift the handle up to make the string sound increase or decrease semitone, full tone or two or three full tone. Fine workmanship: This tremolo bridge is made of metal, good texture with fine workmanship,firm and durable to use. Double locking tremolo bridge system: Double vibrato system usually has two parts: neck lock and bridge vibrato system. Easy to assemble: The tremolo bridge comes with screws and wrench, it is easier for you to assemble. Description: Double locking tremolo system compatible with Floyd Rose style guitar or other similar guitar. Double vibrato system usually has two parts: neck lock and bridge vibrato system. In addition to pressing down the handle, the double shake can also lift the handle up to make the string sound increase or decrease semitone, full tone or two or three full tone. color: gold Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Package Including 1 X Guitar Nut 2 X Nut Screws 3 X Springs 1 X Spring Snap 2 X Pull Spring Screws 2 X Positioning Columns 1 X Rocker 1 X Vibrato Claw 2 X Hex Wrenchs