Drop in replacement for Gibson and Epiphone three point bridges. $75 OBO Shipped CONUS. Photos below.
The following description is from Hipshot's website
Breathe new life into your Gibson bass with the new completely redesigned Hipshot SuperTone Bass Bridge. A direct replacement unit for your Gibson 3 point bass bridge that uses your existing hole pattern. Machined out of solid aircraft quantity aluminum, the Hipshot SuperTone features complete adjustability that is easy to use: precise intonation, independent string height,string thru or top load option, and even side- to- side string spacing adjustment. Most important of all, TONE, PUNCH and SUSTAIN that will knock your socks off! Unleash the tone that is trapped in your bass with the new Hipshot Supertone Bass Bridge! *To achieve maximum tonal transference, the SuperTone is solidly fastened to your instrument. A very slight shadow of the bridge footprint may result.