Model: OMJM John Mayer
Construction: Ply Blocks/Simple Dovetail Neck Joint
Body Size: 000-14 Fret
Top: Solid Engelmann Spruce
Rosette: Style 45
Top Bracing Pattern: Hybrid ''X'' Scalloped
Top Braces: Solid Sitka Spruce 5/16
Back Material: Solid East Indian Rosewood
Back Purfling: HD Zig-Zag
Side Material: Solid East Indian Rosewood
Endpiece: Grained Ivoroid
Endpiece Inlay: Black/White Boltaron
Binding: Grained Ivoroid
Top Inlay Style: Bold Herringbone
Side Inlay: none
Back Inlay: Black/White Boltaron
Neck Material: Select Hardwood
Neck Shape: Low Profile
Nut Material: Bone
Headstock: Solid/Diamond/SquareTaper
Headplate: Solid East Indian Rosewood /Large Old Style - Silver
Heelcap: Grained Ivoroid
Fingerboard Material: Solid Black Ebony
Scale Length: 25.4''
Number of Frets Clear: 14
Number of Frets Total: 20
Fingerboard Width at Nut: 1-11/16
Fingerboard Width at 12th Fret: 2-1/8
Fingerboard Position Inlays: MOP Dots, Single at 5th, Double at 7th, Single at 9th, Double at 12th w/ MOP Square, Single at 15th & 17th Frets
Fingerboard Binding: none
Finish Back & Sides: Polished Gloss
Finish Top: Polished Gloss w/ Vintage Toner
Finish Neck: Satin
Bridge Material: Solid Black Ebony
Bridge Style: Belly
Bridge String Spacing: 2-1/8
Saddle: 16'' Radius/Compensated/White Tusq
Tuning Machines: Gotoh Nickel Open-Geared w/ Butterbean Knobs
Recommended Strings: Martin SP Lifespan Phosphor Bronze Light Gauge (MSP7100)
Bridge & End Pins: White w/ Abalone Pearl Dots
Pickguard: Tortoise Color - Beveled & Polished
Case: 533EJM Geib style
Interior Label: CFM IV & John Mayer Pre-Printed Signatures, Numbered in Sequence
Electronics: Martin Gold Plus Natural 1