Attractive Wood Base for home mounting. AutoSwivel yoke allows different shaped guitars and basses to hang vertically. Wider Auto Grab System V-shaped yoke accommodates a wide range of instruments with necks between 28mm to 54mm, including classical guitars, electric guitars, banjos, acoustic guitars and electric basses (most 5-string and 6-string models). Specially Formulated Foam completely covers the yoke and protects your finish.