Fits all guitars with Tune-o-matic style fixed bridges with 4mm posts.Lightweight ResoMax Alloy bridgeU.L.F. (Ultra Low Friction) saddlesAutoLock magnetically locking bridgeTriple-plated finishIncreased harmonic contentBoosts harmonic content.Reduces string breakageImproves tuning stabilityAutoLock magnetically secures your bridge to the guitar at all times without a tool to use or loseTriple plated finish for durability and good looks