Details such as the manufacturer are unknown. String spacing is approximately 10.4mm. The bridge has a "Made in Japan" stamp. There is discoloration, scratches, and damage. I believe it is usable, but since the details are unknown, please consider it as junk. Due to work, shipping may be the day after payment confirmation. Also, please note that we may not ship on Saturdays, Sundays, and holidays. Due to the item being used, no claims or returns are accepted. If you are a perfectionist, please look for a new item.