Fender American Series Stratocaster Tremolo Bridge Assembly - Chrome Two heavy-duty pivot screws let you do vibrato work, with solid steel saddles for pure Fender tone and sustain Set of six powder-coated steel block saddles with off-center intonation screws, and screw-in style tremolo arm Includes mounting hardware, adjustment wrenches and tremolo arm with white tip Used on most American Standard and American Series (US) Stratocaster models manufactured from '86-'07 Chrome