W-20 Winner Tremolo Harmonica.
Features:ABS body
Stainless coverCarry case.
Key of C.20 
Double Holes With 20 Notes.
Sizes:155x30x25(Mm) 
Weight:130g
Select Materials Are Used For Reeds, Body And Other Details. 
Simple Style For Long Use.
W-16 Winner Tremolo Harmonica.
Features:ABS body
Stainless cover Carry case.
Key of  C.
16 Double Holes With 32 Notes.Sizes:155x30x25(Mm) Weight:130g
Select Materials Are Used For Reeds