The Fender Stringmaster is a series of table steel guitars produced by Fender from 1953 to 1980.
Models were available with two, three and four necks, each neck with eight strings. The four neck version, known as the quad or Q-8, was discontinued in 1968.
Read more about Fender Stringmaster: Electrics, Scale Lengths, Fender Deluxe 6/8