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detail - callaham abr-1 bridges
Country of Manufacture: USA
This bridge is a direct replacement for Gibson guitars with an ABR-1 bridge. The body of this bridge is CNC machined from a billet of cold-rolled medium-carbon steel, subject to rigid quality-control standards at every level of production. This is the only alloy steel bridge available - Gibson bridges, as well as other aftermarket bridges, are cast from zinc alloy, brass, or aluminum, which causes heavy dampening of the critical overtones that support the fundamental.