1This comb harmonica part is made of qualified aluminum alloy material, with great surface treatment, wear-resistant and non-deformation. 2Our new comb features posts which hold the reed plates in place and support the covers at the point they are most susceptible to crushing, where the cover plate screws fasten together. 3 In addition, there is a shelf at the back of the comb which fits seamlessly with the back of the cover to prevent it from sliding off the edge of the comb. 4This new design provides a flat mating surface for the reed plates, assuring an airtight harp and incorporates all the ergonomic features for Marine Band Crossover and Deluxe. 5Great accessory for Marine Band Crossover and Deluxe.Features: This comb harmonica part is made of qualified aluminum alloy material, with great surface treatment, wear-resistant and non-deformation. Our new comb features posts which hold the reed plates in place and support the covers at the point they are most susceptible to crushing, where the cover plate screws fasten together. In addition, there is a shelf at the back of the comb which fits seamlessly with the back of the cover to prevent it from sliding off the edge of the comb. This new design provides a flat mating surface for the reed plates, assuring an airtight harp and incorporates all the ergonomic features for Marine Band Crossover and Deluxe. Great accessory for Marine Band Crossover and Deluxe. Specifications: Condition: 100% Brand New and High Quality Material: Aluminum Alloy Color: Silver, Gold, Red (optional) Size: Approx. 10 x 2.5 x 0.5cm / 3.9 x 1 x 0.2inch Suitable for HOHNERMarine Band Crossover/Deluxe Weight: Approx. 58g Package Included: 1 x Comb Harmonica Part