This official Fender Pure Vintage Stratocaster Tremolo System has all the features of the original synchronized tremolo including vintage wide string and pivot screw spacing, nickel plated 'Fender Pat Pend' stamped bent sheet steel saddles, steel sustain block (non-bevelled/angled on the back side) and a chrome plated steel base plate. This is a full bridge system which includes pivot screws, screw in tremolo arm, tremolo springs, claw and screws.