Hohner RP565 MS Reed Plates - Diatonic Key of Low F Replace your Hohner MS harmonica diatonic reed plates with these genuine Hohner parts Top and bottom plates and mounting hardware included Broken or worn-out reed on your favorite harp? Replacing the reed plate is cheaper than buying a new harmonica The Hohner MS Replacement reed plates are available in all keys and install easily in MS harmonicas (Cross Harp MS, Big River Harp MS, Pro Harp MS, Blues Harp MS, and Meisterklasse MS) These are diatonic only