Russian guitar usually differs from the wood in the rest of the neck. The neck joint or heel is the point at which the neck is attached to the body of the guitar. The fingerboard is made of hardwood (ebony or rosewood are common), fitted with metal frets of brass or steel. Fret spacing almost always follows the western twelve tone equal temperament (12-tet) system. The surface of the fingerboard may be flat or curved slightly ("radiused"), although the curve on the Russian guitar is usually somewhat less than that of an equivalent western 6-string guitar. Inlayed position markers are common, and
Yamaha electric guitar models straight with low action and a wide fretboard. The RGX312 (1987–1988) is a double cutaway rock style guitar available in Red, Black, or White finish. Specifications: Original List Price: $429.00 Neck - single coil Middle - single coil Bridge - Humbucker Construction: String length: 628mm Nut width: 41mm The RGX312II (1988–1993) is a double cutaway rock style guitar available in Red, Black, White, or Silver Pearl finish. The guitar is set up with Yamaha pickups as follows: Original List Price: $449.00 Neck - single coil Middle - single coil Bridge - Humbucker Construction: String length: 628mm Nut width: 43mm A