a ritual scepter or baton

(SHAH-koo) A smooth, flat, wooden ceremonial scepter of leadership.

The Japanese unit of measurement equaling 11.93 inches.

Traditional Japanese unit of measurement which is used to determine a drum's size. The exact length of a shaku varies according to the geographical area and trade in which it is used, but when applied to taiko it is about 30 cm or roughly one foot in length.

a Japanese word meaning "measure" or "scale", also used for several traditional units in Japan: [1] As a unit of distance, the shaku is the Japanese foot, equal to about 30.30 centimeters or 11.93 inches; [2] As a unit of area, the shaku equals 330.6 square centimeters (51.24 square inches); [3] As a unit of volume, the shaku equals about 18.04 milliliters (0.61 U.S. fluid ounce).

30.30 cm