Bachi (桴, 枹; also batchi) are straight wooden sticks used on Japanese taiko drums, and also the plectrum (written 撥) for stringed instruments of Japanese origin such as the shamisen and biwa. For percussion. Drum bachi (桴, 枹) are made in a wide variety of sizes and materials, as appropriate to the drum it will be used to play. A typical bachi is about 22 mm (7/8 inches) in diameter, 400 mm (16 inches) long and made out of a hardwood such as oak. These would be suitable for a wide variety of playing styles.
https://en.wikipedia.org/wiki/Bachi