Bluegrass Mandolin w/ basswood top - Top: Basswood - Back & Sides: Basswood - Neck: Nato - Fingerboard: Rosewood - Bridge: Black-stained Maple, adjustable - Tailpiece: Engraved, nickel - Machine Heads: Open gear, nickel - Sound Hole: "FF" keys - tuning: G-G-D-D-A-A-E-E