RainSong Guitars Black Ice Series BI-WS1000N2 Acoustic-Electric Guitar, Natural carbon Impervious to humidity and temperature variations. No wood used in guitar-construction. No humidifier required. Rain Song's most versatile body (WS) with a full-scale/14-fret neck for balanced and loud instrument. 25.4" scale length, 14-frets clear of the body neck for full-sized playability and feel. Visually stunning Black Ice soundboard combine with an all-carbon-fiber construction for a unique instrument. Fishman Prefix+T electronics