About the model Alto-clarinet in EbThe Selmer Paris 19A (identical to mod 22 in the US)alto clarinet features aged grenadilla wood, silver-plated nickel silver key fob, leather upholstery, in Eb keyring with a 17 mm bore, at 442 to low Eb, silver-plated nickel silver Adjustable neck for improved tuning and a silver-plated brass bell.