The StewMac Indian Rosewood Acoustic Guitar Bridge is a quality polished 6-string bridge with countersunk pin holes for Martin® guitar. Oversized bridges have a slightly larger footprint to cover any finish chips or damage on the guitar top around the perimeter of the old bridge's outline. Oversized bridge specs: String spread: 2-1/8" (54.00mm) Saddle slot: 3/32" x 2-29/32" (2.40mm x 74.00mm) Thickness: 3/8" (9.50mm) Length: 6.060" (154.00mm) Width: 1.500" (38.00mm) Distance from top of bridge to saddle slot on treble side: .250" (6.30mm) Distance from top of bridge to saddle slot on bass side: .385" (9.75mm) Distance from top of bridge to to bridge pin holes: .750" (19.00mm) Saddle not included.