Used 4-string bass bridge. ■ Originally installed on a Fernandes JB. ■ The dimensions of the 5 holes are the same as standard Fender basses. Please check the photos. ■ Mounting screws are not included. The items in the photos are all that's available. ■ No claims and no returns accepted. ■ Will be shipped via Yu-Packet Post Mini. Thank you for your interest.