GOTOH 201B-4 4-string Bass BridgeChrome Plated2 1/4" (57mm) string spacing, 3/4" (19mm) string to stringDiecast body and brass saddlesStock Fender mounting holes - 11/16" (17.5mm) center to centerWeight - 5.9 oz (not including screws)Includes 5 mounting screws and allen wrenchEasy to install, this bridge will fit most standard Fender 4 string bass mounting holes. This bridge will make a huge difference in my bass's sound when compared to original stamped steel plate style bridge. The added mass of the bridge goes a long way to increase your bass's sustain, tone, and attack.