Hexagonal, 2.3 pounds, white plastic buttons. In mahogany or black finish with quality leather 6-fold bellows. Fully chromatic; the duplicate sharps and flats (enharmonics) found on the 48b English are trimmed down to just one of each. Range: first 2 and 1/2 octaves of a violin, just 1 octave less than the full-sized 48 key English treble. With case.