The HERCULES Auto-Swivel Yoke Hanger GSP38WB rotates automatically to accommodate different shaped guitars or basses vertically and safely. It features an attractive wood base for home or studio use.The Auto-Swivel Yoke with Auto Grip System allows for multi-angle adjustments while safely locking instrument in place.Attractive Black Wood Base.Specially Formulated Rubber Foam fully protects instrument at all contact points.