20 reeds with longer service life - sealed pear wood comb with rounded channel openings and outer edges for increased playing comfort - 0.9 mm brass reed plates, mounted with three self-tapping brass screws and four cover screws - stainless steel cover with lateral sound slots, mounted with four cover screws - very airtight due to the 7-fold screw connection, giving excellent sound response and very loud tone - handmade in Germany - very easy to maintain.