Graphtech Tusq Acoustic Saddle Adj. Gibson PQ-9016-00 Fits Gibson Adjustable Flat-Top Guitar Bridges Thickness: 9/32" (7.14 mm); Length: 3 1/8" (79.34 mm); Height: 3/8" (9.65 mm) Includes One (1) Acoustic Guitar Saddle Part Number: PQ-9016-00