B&G ABR made of solid brass.
This is a recommend upgrade for Crossroads guitars, or any other guitar using 6-32 sized bridge posts with 2.9" spacing.
Comparing the Crossroads standard bridge with the solid brass bridge, by The Guitar Magazine:
"The brass bridge weighs 15g more than the standard gold-plated one, and the difference in tone is noticeable both acoustically and electrically. With the brass there’s a marked increase in sparkling frequencies, note separation, twang and sustain. We also hear more of the acoustic character coming through and the Crossroads’ touch dynamics improve."
* String spread: 2-1/16″ / 2.0625″ / 52.39mm
* Radius: 12″
* Solid-brass studs and thumb-wheels included