String Saver Originals have a more balanced tone, with highs, mids and big open lows. You will also notice an increase in sustain by up to 25% over brass saddles and 15% over steel. * For American made Fender Strat Plus, Ultra and American Standard Strat * Thickness: 13/32" (10.41 mm); Length: 13/16" (20.7 mm); Height: 7/32" (5.84 mm); First to Last String: 2-1/16" (52.45 mm) * Includes 6 saddles and 1 allen key * Part Number: PS-8001-00