1、The guitar bridge is made of rosewood, which can produce a lower sound, with a fuller sound and good resonance. 2、The nuts and pins are made of plastic material, which is resistant to friction and not easy to deform, and can extend the service life. 3、These accessories can be adjusted and installed to fit the distance between the strings and the fingerboard, perfectly transmitting the acoustic guitar sound. 4、The exterior of these accessories is glossy and shiny, and will not damage the exterior of the instrument. 5、These guitar accessories are suitable in size and shape, suitable for 6‑string acoustic guitars. 1 x Guitar Bridge2 x Guitar Nut6 x Guitar Bridge Pin Item Type: Guitar AccessoriesMaterial: Rosewood + PlasticGuitar Nut Size: Approx. 72 x 9.2 x 3mm / 2.8 x 0.4 x 0.1in, 43 x 8.5 x 6mm / 1.7 x 0.3 x 0.2inGuitar Bridge Pin Size: Approx. 32 x 8mm / 1.3 x 0.3in, 30 x 13mm / 1.2 x 0.5inGuitar Bridge Length: Approx. 163mm / 6.4in(upper part), 153mm / 6in(lower part)