Usage Tips:Description If you are looking for a double bass bridge screw, then your research is over here. That's because our product can meet your need. Adopted of solid material, practical and durable for long time use, not easy to get deformed and bring you much convenience. Features -Color:Black -Material:Metal -Size:4.00X3.00X3.00cm/1.57X1.18X1.18in -Adjustable split violin bridge screw: Conveniently adjust tone and volume for more range. -Stable playing experience: The bridge screw can provide stability during performances. -Stylish and elegant: can add a touch of sophistication to your double bass. -Suitable for various occasions: Ideal fitting for performances, rehearsals, and more. -Easy to install: Simple and easy installation, even for beginners. Package list: 1 x pair of screws