Top Stage Acoustic/Electric Guitar Capo Clamp Can clamp on any fret Can clamp on any fret,hold the strings nice and tight Spring action clamp holds capo firmly in place, keeps strings in tune This capo also fit the wider neck and flat fingerboards of the classical guitars or other guitars with straight frets Operate your quick-change comfortably with one hand. Measures 5"X3.5"X0.5"