Teishin is a needle-like instrument or probe that is does not penetrate the skin. The advantage of this is obvious for people who fear needles, especially for kids. They are very sensitive.

Brass Teishin works excellently for regulaete Qi, releasing stagnation, and clearing heat. It is a a great tool on ear area for looking for points' location and releasing stagnation.

Material:
solid brass, without any coating
Size:
Small pen: 4.53*0.118/tip0.079 inches (11.5*0.3/tip0.2cm)
Big pen: 5.9*0.157/tip0.079 inches (15*0.4/tip0.2cm)

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