The Collings MT O Mandolin features an Engelmann spruce top and an Eastern flame maple back and sides. It also features a gloss black top with oval hole. The MT O combines Collings affordable satin finish and simplified appointments with the same quality construction and tone woods as our fully-appointed A-style models. With a carved Engelmann spruce top and maple back and sides, the MT O produces a rich, woody tone that one would expect from a professional quality mandolin. The oval sound hole accentuates the bass and low mid response while providing a warm, open tonality that is rich in overtones. Collings MT vs. Collings MT O While both models share the same body shapes, dimensions, and standard appointments, the Collings MT features f-holes on the top, while the MT O incorporates an oval hole design and voicing. The MT O accentuates the bass and low mids, adding warmth and openness, while the MT offers more cut and chop. DETAILS: Construction: A-style Top: Engelmann spruce Back/Sides/Neck: Eastern flamed maple Soundhole: Oval hole Body Binding: Tortoise (top) Fingerboard Binding: None Peghead Binding: None Bracing: X-brace Bridge: Ebony w/ adjustable saddle Fingerboard: Ebony w/ MOP dots Nut: 1 3/16" String Spacing: 1 9/16" Neck Profile: Rounded V Neck Joint: Dovetail Frets: Medium 18% nickel-silver Truss Rod: Fully Adjustable Peghead Veneer: Ebony w/ MOP Collings logo Tuners: Nickel Gotoh w/ black buttons Scale Length: 13 7/8" Fingerboard Radius: 7" - 11 5/8" compound Body Finish: Satin nitrocellulose lacquer Pickguard: None Tailpiece: Collings original tailpiece Strings: D'Addario EJ74 (.011" - .040") Case: Deluxe hardshell case