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