Product Description: 6 x acoustic guitar bridge pins moulded plastic string and pegs For enhancing the acoustic guitar sustain performance, at least on the basis of the original enhance more than six seconds. For making sounds more powerful and more stable. For eliminating frequency sonic boom, make high middle low frequency is more stable. Volume up the sound of click on the string. Features: Highly durable guitar bridge pins, for secure and long-lasting string fitting. Size: diameter 5mm Material: plastic Color: Black Use: most modern acoustic guitars About us: Metallor is a branch of Sunsmile Group, which was had over 20 years of experience in the musical instrument field. We are the leading company that can supply a full range of guitar parts, such as necks, bodies, hardware, pickups etc. Our precise production equipment and experienced staff assure you of the finest quality parts. Cooperating with guitar manufactures, our parts are widely used on famous guitars, musicians, repairers, luthiers and factories deserve Metallor?s quality parts and professional service. As one member of the world?s largest top 225 manufacturers, we provide a one-step service for other Sunsmile products. If you have any questions before, during or after purchase, please feel free to contact us.