This model was supervised by Hiroji Fukamachi, a associate professor of the Aichi Prefecture Art University.

The TPM-521F is a lightweight and easy-to-use mallet that is good at expressing the stacker.Beginners have it first! Shaft: Hickory, Head: Flannel (diameter 0.8 inches (20 mm), Total length: 14.0 inches (357 mm), Hardness: Very hard