Ever thought of a try at Hawaiian guitar playing or Dobro and lap style? This little gismo 'easy on' & 'easy off' (just slacken your strings) will get you started on your regular six string guitar. Imported from the USA ...The 'Action Raiser' raises your guitars action for slide, dobro-style guitar playing using a steel slide bar. Simply fits over a standard 6 string guitar's original top nut without any alteration to your instrument. Easily removed for standard guitar playing. Polished and burr free, it is made from nickel plated steel. Dimensions are as follows; 48mm wide, 9mm on the edge, 13mm on the trailing edge and stands 8mm high on a flat surface.