It is 2 shaku 1 sun (B-tube). 

The low range has a profound, earth-shaking quality, 

and the tone is stable without distortion. 

The entire tube resonates, and the vibrations transmitted 

to the hand indicate its high potential.

Length: 66 cm　Weight: 371 g

Utaguchi: Outer diameter 3.8 cm / Inner diameter 2.1 cm

Foot end: Outer diameter 5.0 cm / Inner diameter 2.0 cm

Joint: Silver triple ring

Utaguchi : Gold wrapped water buffalo horn

Utaguchi cap: Size 6

Accessories: Shakuhachi bag, Utaguchi cap