I am no luthier, but I do a lot of work myself on string instruments, percussion and electronics. I needed to replace the bridge on my Neapolitan mandolin, and chose this model. The materials are great, bone and ebony, the sound quality and volume of the instrument have greatly improved. You always have to adjust a new bridge to your instrument, sometimes it's easy, sometimes not, just like marriage. I had little to do, a little height and some inclination work, and of course making the indentations for the strings, for which I used the old bridge as a guide.