Diecast saddles and block. Includes assembled tremolo bridge, five springs, body mounting screws, whammy arm with white tip, claw with mounting screws, bridge adjustment allen wrench. Nice kit of parts for fixing up that old Squier Strat. I measured approx. 2&3/32" from 'E' to 'E' (center of top of saddle 1 to saddle 6) and about the same spread for the body mounting screws. Bridge Assembly, Squier® Standard Strat®, Six Screw Mount, "IC" Serial Numbers, Chrome. Brand New. Genuine Fender.