Features: 1.FOR STRING INSTRUMENT: Delicate adjustable ebony lower bridge, suitable for string instruments such as mandolin, guitar and bass. 2.ADJUSTABLE HEIGHT: The height can be adjusted via 2 knobs on the string bridge, simplifying adjustment of string action. 3.EBONY WOOD: Made of excellent ebony material, with fine texture and clear grains, corrosion resistant and durable. 4.EASY TO OPERATE: The mandolin lower bridge is light in weight and compact in size, which is easy to fix and operate. 5.GLOSSY SURFACE: This ebony bridge has glossy surface and will not damage stringed instrument parts when used. specification:Item Type: Mandolin Bridge Material: Ebony PackageList:1 x Mandolin Bridge