Allparts GB2543-001 Tunematic Bridge TunePros T3BPThe TonePros T3BP has many improvements over standard Nashville bridges including intonation adjustment on the pickup side, phillips head saddle adjustment screws, and pre-notched saddles for quick installation. It has standard small post and standard threaded inserts, which are the same as TonePros TP6. Direct retrofit for most USA guitars without modification.Specifications: Thread: 10/32 (as used by Gibson on Nashville Models)Post to Post Spacing: 2.93 Inches/ 74.mmSaddle Notch: Pre-Notched SaddlesSaddle Material: ZamakBridge Material: ZamakPost/Thumbwheel Material: BrassRadius: 12 inchString Spread: Approx. 10.4mmPost Top Width: .15 Inches/ 4mm***TonePros products can not be shipped outside the US or Canada. Visit www.tonepros.com to find a dealer in your country.