The Eastman MD504 is a classic oval-hole A-style mandolin. Each MD504 is individually hand-built using traditional materials and "Old World" craftsmanship. This popular mandolin features a solid spruce top with a solid maple back and sides. It's rounded out with an ebony fingerboard and an adjustable ebony bridge. The Eastman MD504 A-style Mandolin delivers a warmer tone with less bite and more sustain but with plenty of bark when you need it.