Hofner Violin Bass - Ignition Cavern Sunburst 4-String Violin Electric Bass w/ Case Wood Top: Spruce Fingerboard Wood: Rosewood Number Of Frets: 22, Scale: 30" Pickup Middle: Hofner Ignition Staple Nickel (Cavern model only) Pickup Neck: Hofner Ignition Staple Nickel (Regular and Cavern model)