This is a Wilkinson bridge for 5-string bass guitars. It features spiral saddles with a string spacing of 18mm. I bought this new to try out the spiral saddles and installed it once. I removed it shortly after as I didn't play it much, so it's practically in new condition. There are no issues with its functionality. The bridge mounting screws are unused. Everything that came with the original purchase is included: the bridge itself, mounting screws, a hex wrench for saddle adjustment, a pick, an English instruction manual, and the original box.