This is a value set of 4 su-21 watt su-21 watt dual-tone harmonica soft case SHC-8 that can store 8 pieces of 21 holes.
Material: Brass, chrome plated cover, body with natural wood fibers. Weight: 5.3 oz (150 g). Sound Range: 21 holes.
(Set Contents) Set Contents: SU-21W x 4 pieces (Toned C, C, C, Sharp, A, Am), 8 pieces case for both sounds, SHC-8), Cross instruction manual (English language not guaranteed).
(From Amazon.co.jp)