I can?t give an honest review of this product yet as I?ve yet to use it. I bought it hoping to use it with an old Hohner blues harp that I?ve had for years that has a broken reed. Unfortunately, the screw holes don?t line up with the reed plates and the comb from the 2 different manufactures. Good thing Thomann has Lee Oskar combs in stock too. That will be on my next order and when I get it I?ll edit this review.