The saddles are made from Graph Tech's String Saver material which is impregnated with PTFE for permanent lubrication and so strings don't bind in their slots during bending or tremolo use, improving tuning stability and reducing string breakage.
Graph Tech String Saver Black Bridge Saddles Set for Strat & Tele, 2-1/16" Space
Graph Tech String Saver Tune-o-matic Bridge Saddles (Black)
Graph Tech String Saver ABR-1 Tune-o-matic Bridge Saddles (Black)
Graph Tech String Saver BRUSHED STEEL CHROME 6 Saddles Set for Fender Strat/Tele
Graph Tech String Saver Classics Saddles for Strat/Tele, 2-3/16"-Spacing
Graph Tech PG-0080-C6 String Saver Floyd Rose Style Saddles Chrome Guitar Bridge