A direct replacement tremolo system for Fender® Jaguar® and Jazzmasters®. It comes complete with the tremolo section with push-in trem arm, separate bridge (description below), inserts and mounting screws. The replacement bridge comes complete with stud cups (inserts). The 6 saddles are a knurled barrel-type with allen screws for height adjustment. Each saddle intonates individually using a phillips head screw on the back side of the bridge.Bridge Post ctr to ctr= 2 7/8 in. (73.15mm)String Spacing E to E= 2 3/16 in. (55.6mm)