HIPSHOT 4 String B style Bass Bridge, String Spacing 0.750" (19mm), Aluminum, Chrome This is a HIPSHOT 4-string bass bridge that was originally installed on a FUJIGEN NCJB-20R bass. It has some minor scratches and signs of use, but it was working normally until it was removed. It weighs 103g, so it's likely made of aluminum. Chrome finish. ■ Bass Bridge ■ For 4-string bass ■ Chrome ■ Aluminum ■ String spacing: 19mm ■ Included: 4 screws for body attachment 103g (including 4 screws)